Windows defender might be impacting your build performance pycharm checked the following directories
Issues with Windows Defender after installing Windows 10 Creators Update [Fix]
With the introduction of Windows 10, Windows Defender has become even more capable. This is great for Microsoft as most of its users previously used 3rd-party antivirus solutions.
However, even though Windows Defender is a good service, it’s not always the primary choice for a lot of users. The reason? Frequent issues that emerged after its latest update, with many users reporting more than one problem after they’ve downloaded and installed the Creators Update.
For that purpose, we listed some of the most reported issues and their solutions below. In case you’ve bumped into some problems with Windows Defender, make sure keep reading
How to resolve Windows Defender issues in the Windows 10 Creators Update
Crashes
As we already stated, Windows Defender may be a good security solution — when it works as intended. However, users that managed to obtain the Creators Update experienced issues with Windows Defender. The most critical issue is related to sudden crashes and to make the things even worse, some of them were unable to locate the Windows Defender options under Settings.
Most of the time, the problem lies in missing or corrupted essential files. There are a few ways to address this issue:
If the problems are persistent after all of the above steps, you’ll need to turn to recovery options.
Long scans
Another issue that emerged immediately after the Creators Update is related to long scans that sometimes lasts two hours. As you probably already know, the estimated scan time is somewhere around 15 minutes to a maximum of 30 minutes in Deep scan mode. There are several solutions for this problem and we hope that some of them will substantially decrease scanning time:
Defender collides with 3rd-party antivirus
Some users reported that they’re quite satisfied with their 3rd-party antimalware/antispyware solutions, but Windows Defender’s persistence in trying to take over causes a lot of problems. For example, after the update some users weren’t able to use Norton Antivirus. Since Windows Defender is a built-in part of Windows, it can’t be uninstalled, but you can prevent the Security Center from interfering the 3rd-party software. Follow these instructions to do so:
That should relieve you of possible annoyances caused by Windows Defender. From now on, you can use your preferred antivirus software solely.
Health report keeps on showing
With the Creators Update, all-around security and performance maintenance options are located within Security Center. However, after the update, users are frequently annoyed by recurring reports and errors within the system. Ultimately, it seems that Microsoft made a tool that’s too diligent for its own good, and probably isn’t what they intended to do. However, this feature can be disabled so you won’t be prompted all the time about minor issues.
Follow the instructions to do so:
That should do it. If you have any other issues, alternative solutions, or questions regarding the subject, make sure to post them in the comments section that’s just below.
RELATED STORIES YOU NEED TO CHECK OUT:
Не работает Pycharm
Не работает Pycharm, причём сам питон (IDLE) установлен и работает правильно. Что с этим поделать? Пробовал также PyScripter.
Тоже не работает. Пишет что Python не найден. Хотя он у меня установлен, и через среду IDLE (ту что в комплекте с питоном) всё работает нормально.
Добавлено через 2 минуты
Python was not found but can be installed from the Microsoft Store: https://go.microsoft.com/fwlink?linkID=2082640
Process finished with exit code 9009
Вот что пишет Pycharm
Не работает автодополнение в PyCharm
Всем привет. Не работает автодополнение в PyCharm. Вообще. Даже на слова print или import. Путь к.
PyCharm: не работает автокомплит Qt
Установил PyCharm, до этого уже была поставлена библиотека PyQt4. Отказывается работать.
В питоне 3 работает а в Pycharm нет
stringvar1 = StringVar(root) stringvar2 = StringVar(root) stringvar3 =.
Не работает python console в pycharm
Впервые установил pycharm 2016.3.2 на macOS и Python 3.6. Но почему-то не получается ничего.
Решение
В PATH у тебя два пути ссылающиеся на Python. Причем первый это просто ссылка на Microsoft Store. Удали его или просто поменяй местами со вторым путем, который указывает на твой установленный Python.
В PyCharm в настройках указывающих интерпретатор, также укажи правильный путь.
P.S. Нельзя заниматься программированием, если не понимаешь таких элементарных вещей.
Гугл прикрыли поди.
Заказываю контрольные, курсовые, дипломные и любые другие студенческие работы здесь или здесь.
Intellisense в PyCharm не работает при импорте своих модулей
Всем привет! У меня давний трабл, но как-то думал, а ладно фиг с ним, можно и без этого.
Не работает клава на PyCharm
Установил сегодня IDE PyCharm, ничего нельзя ввести с клавиатуры. Сама клавиатура исправна и.
Pycharm работает очень медленно
Доброго времени суток. Скачал pycharm последнюю версию с офф. сайта. Установил jdk 8 по следующей.
Pycharm + GAE + Django, не работает отладка TypeScript в IDE
Ребят, подскажите в чем беда: Есть GAE проект, third-party библиотекой подключен Django, отладка.
PyCharm
Похожая проблема с библиотекой. Третий день мучаюсь, установил Python по инструкции, подключил.
Pycharm
У меня в Pycharm, когда я открываю новый файл, курсор становится выделенным, то бишь insert. Как.
Pycharm doesn’t open Follow
I have uninstalled Pycharm and installed it again. Now pycharm does not open at all. I dont even see any task starting in task manager. Here is my idea.log:
I see the error is caused by class java.awt.Color but I dont know how to deal with it. Anyone could help?
Votes
Share
Make sure you run it on JetBrains Runtime 11. See the tutorial on how to switch JDK https://intellij-support.jetbrains.com/hc/articles/206544879
I can not run IDE, so I can not choose runtime using this plugin 🙁
The article describes how to do it manually without starting IDE.
Sorry ive missed that. However this description is close to black magic for me. Here what’s i managed to do:
Ive also created system env variable JAVA_HOME and pointed it to JDK installed folder.
Deleted tmp folder befor run PyCharm.
Still PyCharm doesn’t open 🙁
Try reinstalling it from scratch. Make sure to remove all the directories used by PyCharm before installing https://www.jetbrains.com/help/pycharm/directories-used-by-the-ide-to-store-settings-caches-plugins-and-logs.html
Have same issue. I have already tried to uninstall PyCharm, remove \Users\ \.
Please report it to https://youtrack.jetbrains.com/issues/IDEA providing your idea.log file from Help | Show Log in.
Sorry but I was offline whole weekend. Here is a list things I tried:
— reinstalling everything from scratch, including the removal folders Sergey mentioned (https://www.jetbrains.com/help/pycharm/directories-used-by-the-ide-to-store-settings-caches-plugins-and-logs.html).I tried with three community versions: 2019.3.3, 2019.2.6, 2019.3.7
— deleting folders \Users\ \.
— I’ve also tried to change JetBrains Runtime 11 but without success
Please run using pycharm.bat and follow YouTrack issue for updates.
I would also check if reinstalling and running while antivirus is disabled helps.
It worked but found some errors in cmd:
It’s a warning that is unrelated and is safe to ignore.
Debugger problem Pycharm on windows Follow
I have a x64 Windows machine and I have installed Pycharm community edition 2018.3. I have configured the interpreter using the Anaconda distribution with Python 3.6.6.
Now, I am trying to run a very simple python script, reported in the following. The program runs just fine in normal mode. However, as soon as I insert a breakpoint, e.g., at the third line, the following message appears: «Connection to Python debugger failed: socket closed«.
Any clue what this could be?
Votes
Share
Please add PYCHARM_DEBUG=True environment variable to your Run/Debug Configuration, reproduce the problem, then upload your renamed logs folder zipped (Help | Compress Logs and Show in. ) to https://uploads.services.jetbrains.com/ and let me know the name of that zip file.
The name is: logs-LF-debugger_windows.zip
Could you please try 2018.3 version to see if problem remains?
Actually, I had 2018.3 and decided to downgrade it to 2018.2 to see if that solved the problem.
Could you please once again add PYCHARM_DEBUG=True environment variable, debug and provide the whole console output?
Please also make sure that it is not blocked by a firewall/antivirus.
Having the exact same problem, running ubuntu 18.04, PyCharm 2018.03, using anaconda 4.5.11.
Could you please add PYCHARM_DEBUG=True environment variable to Run/Debug Configuration, debug and provide the whole console output?
Please also make sure that it is not blocked by a firewall/antivirus.
Hi Sergey, I don’t think it is being blocked by the firewall, I can debug just fine using Visual Studio Code, I would prefer to use PyCharm though.
here is the console output:
Started in multiproc mode
Please try setting PYDEVD_USE_CYTHON=NO and PYDEVD_USE_FRAME_EVAL=NO environment variables in your Run/Debug Configuration. Has is helped?
Added those environment variables, and still the same problem, here is my console output:
Started in multiproc mode
Could you please submit it to our issue tracker using the link https://youtrack.jetbrains.com/issues/PY, attach idea.log and a sample code for reproducing?
What solved it for me is to make sure the file\folder being run isn’t named «code».
Using PYCHARM_DEBUG=True as suggested by Sergey, I got this:
ModuleNotFoundError: No module named ‘_pydevd_bundle_ext’
Googling it I found this comment to an issue, where this solution was suggested.
I am getting the same problem. My code is running but my debugger is not working.
I don’t have any module named code. I have set PYCHARM_DEBUG=True.
This is the error I am getting.
Started in multiproc mode
Your problem is different.
What is your PyCharm version?
I installed PyCharm 2018.3.3 by win 7. When I try «DEBUG ‘my_some_file'», it show me some troubles: «Connection to Python debugger failed: socket closed».
And I can’t use DEBUG. What it does mean?
If renaming files changed the behavior, then you probably had one of the files named after some python module, which is known to cause issues sometime.
Is your issue now in that debugger is stuck at «pydev debugger: process 7136 is connecting» message? If so, please upload the logs which can be located according to https://intellij-support.jetbrains.com/hc/en-us/articles/207241085-Locating-IDE-log-files
You can upload the logs to our secure FTP: https://uploads.services.jetbrains.com/
Then let us know the file name please.
It was stucked, but now number of error other.
My logs logs-20190129-113117.zip
I can see several errors in the logs which may or may not be related. What error do you see in the application?
Here’s one of the errors from the log:
com.intellij.execution.ExecutionException: Cannot start process, the working directory ‘C:\python_work\python_project.py’ is not a directory
Which may indicate you have incorrect configuration. Can you provide screenshots of your interpreter settings and your run/debug configuration?
When I attempt to debug a program I get the following error:
Connection to Python debugger failed
Socket operation on nonsocket: configureBlocking
This started happening to me today with no changes to my environment, everything worked well until this morning.
My version/environment info:
PyCharm 2019.1 EAP (Community Edition)
Build #PC-191.5701.26, built on February 20, 2019
JRE: 11.0.2+154 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Windows 10 10.0
I am having a similar result as @Harchand above:
Started in multiproc mode
Windows Defender/Anti-malware Causing Performance Issues after CU update #1932
Comments
rdodev commented Apr 16, 2017
The text was updated successfully, but these errors were encountered:
aseering commented Apr 16, 2017
For what it’s worth, I always add an exclusion for my big source-code build directories to Windows Defender, for exactly this reason. I trust my own code, and the performance hit is too big otherwise.
kumarharsh commented Apr 17, 2017
Adding to @aseering’s comment, this is a problem even with yarn: yarnpkg/yarn#990
kayakyakr commented Apr 30, 2017 •
Just tried it out @aseering and noticed a pretty big speedup of a rails app load time. Nice!
I added an exclusion for both my networked drive and my lxss folder.
tanseydavid commented Aug 24, 2017
Adding an exclusion does NOT fix the performance problem. Adding an exclusion for VS does NOT fix the performance problem. Adding an exclusion for IIS does NOT fix the performance problem.
The only solution that works for us is to disable REALTIME protection in Windows Defender.
I also want to note that the performance impact is DRAMATIC.
For instance, a rebuild of a VS2017 solution that takes
20seconds to complete with REALTIME protection turned off, takes more than 3 minutes to complete with Windows Defender REALTIME protection enabled.
Another example: a GIT local check-in with one file changed, completes almost instantly with Windows Defender REALTIME protection DISABLED. This same checkin takes more than 2 minutes with Windows Defender REALTIME protextion enabled.
The exclusions DO NOTHING to improve the situation.
rdodev commented Aug 24, 2017
@tanseydavid yes exclusions do not seem to have helped at all for the linux side. 🙁
kumarharsh commented Aug 25, 2017
sunilmut commented Aug 26, 2017
I would like to get some clarification here before reaching out to the defender team internally.
sunilmut commented Aug 28, 2017
Also, can you share your Windows build numbers, using the ver command from CMD?
kumarharsh commented Aug 30, 2017
I stopped using WSL due to performance issues, and don’t usually run it now. but even with normal powershell, the performance of, for example yarn install is not anywhere near linux when defender is running. You can see some benchmarks in the yarn issue listed above. I realise I’m not adding much to the WSL part of the discussion, but just wanted to add some details for the defender team’s benefit.
rdodev commented Aug 30, 2017
@sunilmut this should be very easy for you folks to replicate and grab as many benchmarks as you want.
fedu commented Sep 12, 2017
Aww, just ran into this, while I was trying the Bash for Windows 10 for the first time. It actually freezes the whole Webpack process and it will never finnish, no matter how long you wait.
Guess the Bash is still unusable for web developers.
ow commented Dec 18, 2017 •
justinmchase commented Dec 18, 2017
Same here. I also encounter a lot of disk errors while doing large npm installs. I can see windows defender killing my CPU even though I have a total exclusion on my E drive. It seems like npm may be caching things on an un-excluded directory before unpacking which is triggering windows defender and causing disk issues.
tara-raj commented Dec 18, 2017
The team is looking into this and will continue investigating. FWIW this rolls up into a broader filesystem perf improvement endeavor.
In the meantime if you can provide us with more specifics so we can generate a repro that would be very helpful. @ow which repo are you using? @justinmchase which errors do you hit?
Sparkx120 commented Dec 18, 2017
@tara-raj thanks for the update. Just to toss my own experience out there, I am running 16299 Enterprise and my Windows Defender is locked on due to company policy. As soon as I start WSL I see constant CPU usage from the Defender service hovering around 25%. This goes away the moment I shut down WSL. Inside I am just running tmux and bash, running ssh does not seem to affect it much. Any filesystem actions can take a while especially on /mnt/c. The high CPU usage reduces my computers overall performance and especially the battery life. Adding an exception on the Linux rootfs folder helped, it was 50%+ without it, but it does not solve the issue entirely.
Thanks for looking into this.
justinmchase commented Dec 20, 2017
Here is a pretty simple repro for the bug I keep seeing:
robertquitt commented Dec 21, 2017
I’m having heavy performance issues related to Windows Defender and WSL as well. For me, it’s when I’m switching tmux panes and opening files in vim. Disabling realtime protection in the Windows Defender Security Center causes a massive (>100x) speedup in performance for these tasks.
I’d really appreciate it if anyone had a workaround besides just disabling realtime protection.
kumarharsh commented Dec 21, 2017
FWIW this rolls up into a broader filesystem perf improvement endeavor.
@tara-raj Would this endeavor be limited to WSL, or would also transcend to Windows’ NTFS filesystem too?
ow commented Dec 21, 2017
@tara-raj I can get the poor performance to occur on almost any repo.
There’s a ton of documentation about this across repositories — Yarn has a bunch of ongoing threads about this and has been writing workarounds to handle it. Generally speaking, WSL works great, but I will say these performance issues have been crippling and frustrating.
kayakyakr commented Dec 21, 2017
I’m working on migrating from the old version of bash to the windows store version of bash and cannot find the new location of the lxss folder. Anyone know where volfs is being stored these days?
ow commented Dec 28, 2017 •
For those here having the same issue, I’ve just completely given up on Defender pinning my CPU all the time. Would prefer to have it on, but currently nigh unusable on my setup.
If you want to force Realtime protection off, you can use this registry key, since Microsoft insists that it will turn itself back on within a few hours on Fall Creator’s and up.
rdodev commented Dec 28, 2017
The sad part is that this issue was reported over 8 months ago and we’ve yet to see any progress or patch to remedy the issue. Instead of having to disable Windows Defender, they should revert to the way WSL worked before and let it be its own isolated subsystem. Integration with Windows is what caused all these perf problems.
bitcrazed commented Dec 28, 2017
Please bear with us. We are investigating. If it was a simple issue to fix, it’d have been fixed by now 😉
marcfor commented Dec 29, 2017
@ow Weird, I tried cloning crafty-vagrant, both within the WSL file system and in /mnt/c and neither seemed to take super long, nor did my CPU go above 15%. I only heard about WSL a week ago and installed it very recently. Have you been using it for long? Maybe you’ve got an older version installed? Or some cruft left over from an old version?
ow commented Dec 29, 2017
bohrshaw commented Dec 30, 2017 •
I once ran git status in a big repository under /mnt/c from WSL, it’s unresponsive for a minute.
While the same operation using the Windows native git is completed within one second.
I suppose this is also related to Windows Defender.
2ps commented Jan 2, 2018
As an FYI. We use the WSL Switcher to use centos under WSL. Adding exclusions helped improve git performance by 50%.
2ps commented Jan 2, 2018 •
naefl commented Feb 3, 2018
Cannot reproduce effects of disabling real-time protection or adding exclusion to project folder. Most noticeable is when running yarn start. On MacOs this takes roughly 2-10s, on Ubuntu 16.04 around 2s and on WSL I get between 40-60s which is unbearable. rebuilding takes 200-800ms on Ubuntu, 1-2s on MacOs and 9-20s on WSL. No effect on this by changing Defender/Firewall settings
justinmchase commented Jun 12, 2019
@firewave Strongly recommend dumping McAfee if there is any possible way. Windows already has a built-in anti virus and, to put it lightly, its more trustworthy.
radium-v commented Jun 12, 2019
Suggesting different antivirus software isn’t a solution to the problem. Many companies enforce policies that require specific antivirus or firewall software, which may not be user-configurable.
There definitely seem to be changes in 1903 that allow Defender to get out of the way of other installed real-time antivirus scanners. While that is helpful from a system management viewpoint, it also means that these antivirus scanners may not know what they should or shouldn’t be scanning, so they just scan everything all the time.
ithiru commented Jul 24, 2019
I know this is not perfect, but SSD helps a lot if you can’t turn off third party scanners.
drichardson commented Feb 18, 2020
@ithiru I’m using SSDs and the performance is still horrible. I see this regularly with Debian 10 using apt, like:
Always very slow, Task Manager shows Antimalware Service Executable busy. The same thing under Hyper-V is faster (and that one is backed by an old spinning disk).
lewisdonofrio commented Feb 19, 2020
bitcrazed commented Feb 19, 2020
@drichardson I am guessing your Debian distro is still running on WSL1.
As you can see from above, I am currently running Ubuntu on WSL2 and openSUSE on WSL1.
If your Debian is running as Version 1, then you’re running Debian atop WSL1 whereupon you’ll likely bump into the well known WSL1 file IO perf challenges that come from running Linux binaries atop Windows IO stack. If, on the other hand, you run a distro atop WSL2, your distro/binaries will be running in a container directly on a Linux kernel instance in lightweight VM, which doesn’t use Windows’ IO stack and isn’t affected by anti-malware tools like Defender etc.
lewisdonofrio commented Feb 20, 2020
I’ve always looked at a vm as «a way around the rules» in that I’m guessing like normal vm’s that scom cannot scan the wsl2 vm? Unlike wsl1 that lives within ntfs and is scanned by local antivirus but also scan have it’s file scanned from scom I’m guessing as well? let me know if I’ve got this wrong and I’ll remove this reply.
lewisdonofrio commented Feb 20, 2020
bitcrazed commented Feb 20, 2020
The Defender team are currently assessing how/what/when/if Defender on the host interacts with workloads running in VMs and/or Defender running IN VMs. I do not yet have anything to share on what the final outcomes will be, but know that we’re working closely with them on this matter.
lewisdonofrio commented Feb 20, 2020
so I was correct that wsl2 vm’s are loopback filesystems and not normalized (within the same partition/ntfs?) like in wsl1?
therealkenc commented Feb 20, 2020
so I was correct that wsl2 vm’s are loopback filesystem
Close. WSL2 is Hyper-V VM, and on WSL2 Linux /dev/sda (which does not exist in WSL1) is backed by a Windows VHDX. Presumably (?) Defender leaves activity on the backing file alone; but similar to Rich’s answer, I’ve never really investigated the extent to which Defender peeks reads and writes on that file. But whatever Defender does (if anything) as of this writing, it does it more quietly than the WSL1 hidden filesystem, and the performance is better.
lewisdonofrio commented Feb 20, 2020
ok I guess I am just trying to see without just grabbing an insider box and trying it, is wsl2 a loopback filesystem sitting on a ntfs partition (akin to vmware workstation does?) if so this is a cheat unlike wsl1 you could scan with scom and whatever tools Microsoft provided now with wsl2 I’m guessing this is why we are now seeing ATP applications all of a sudden?
bitcrazed commented Feb 20, 2020
In WSL2, each distro’s filesystem is stored in individual EXT formatted VHDX files which are mounted within the distro’s container. As such, the distros’ filesystems aren’t stored in NTFS like in WSL1.
It’s nothing to do with cheating. It’s all about compatibility and performance.
As I said, we’re working with Defender and several other teams on a number of initiatives to further improve WSL2’s integration, performance, interop, and manageability. Stay tuned to our blog for updates as we make progress.
lewisdonofrio commented Feb 21, 2020
bitcrazed commented Feb 21, 2020
I totally hear you re. management of WSL instances. The fact that WSL1 ran atop NT and thus could be managed and monitored by existing Windows tooling and infrastructure is something many enterprises in particular have expressed considerable appreciation for.
But the reality is that for those using WSL, WSL1’s compatibility and file IO performance just weren’t where they needed to be, so we had to change tack and utilize our new lightweight container infrastructure to deliver high performance and 100% compat.
This does mean, however, that many of the management tools & tech that you’d use to manage, secure, configure, and operate physical Linux boxes and/or VM’s are also likely to work just the same in WSL2!
And as I said above, there are teams actively looking into providing enhanced management, monitoring, and protection of Linux VMs (inc. WSL) and physical boxes, details of which will emerge over time.
If you’d like to enquire/discuss further, do reach out via email to crloewen and richturn at you know where dot com.
zallarak commented Mar 20, 2020
lewisdonofrio commented Mar 20, 2020
Why use MinGW64? is that for compile or for GUI like xfce4 accelerated? I only ask because I use «daily» full gui using VcXsrv (for last three years) my build guide and photo’s at tinyurl.com/donofrioworkremmina2020 (yes I rdp from ubuntu w/xfce4 within remmina client)
lewisdonofrio commented Mar 20, 2020
I compile using native gcc, and I use bash, all native, have done this for past three years and all is working great, so long as it doesn’t want to touch non-existing hardware (aka usermode rocks for my needs)