What is this large folder?

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  1. Posts : 7,861
    Windows 11 Pro 64 bit
    Thread Starter
       #21

    f14tomcat said:
    Reading this article, it is just a add or remove feature in Windows. My bet is it did not clean up the folder, just uninstalled the code.

    How to enable Microsoft Edge Application Guard on Windows 10 April 2018 Update | Windows Central

    If possible, for safekeeping, copy that whole Containers folder somewhere, and delete it.
    Thanks. I tried renaming the folders under C:\ProgramData\Microsoft\Windows\Containers but get this message. I might try installing / uninstalling Application Guard again to see what happens.
    Attachment 233947
      My Computers


  2. Posts : 56,804
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #22

    Steve C said:
    Thanks. I tried renaming the folders under C:\ProgramData\Microsoft\Windows\Containers but get this message. I might try installing / uninstalling Application Guard again to see what happens.
    Attachment 233947
    Safe Mode. Delete it. Renaming won't get you anything.
      My Computers


  3. Posts : 7,861
    Windows 11 Pro 64 bit
    Thread Starter
       #23

    f14tomcat said:
    Safe Mode. Delete it. Renaming won't get you anything.
    Thanks. I enabled Application Guard again and the dates in all the folders under C:\ProgramData\Microsoft\Windows\Containers shifted to today - so Application Guard is the culprit. I then disabled Application Guard (and rebooted) but the files remain.

    I think I've found a bug since the files which are quite large are not being deleted. I'll try the Safe Mode deletion fix provided someone doesn't chip in during the next day to warn me off
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  4. Posts : 56,804
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #24

    Steve C said:
    Thanks. I enabled Application Guard again and the dates in all the folders under C:\ProgramData\Microsoft\Windows\Containers shifted to today - so Application Guard is the culprit. I then disabled Application Guard (and rebooted) but the files remain.

    I think I've found a bug since the files which are quite large are not being deleted. I'll try the Safe Mode deletion fix provided someone doesn't chip in during the next day to warn me off
    If you are backed up, there is no problem. Delete them, reboot, check for any strange errors.
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  5. Posts : 56,804
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #25

    Steve, I have to go for a little while. I'll check back to see how all your efforts are going. Good luck. TC
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  6. Posts : 56,804
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #26

    Back
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  7. Posts : 7,861
    Windows 11 Pro 64 bit
    Thread Starter
       #27

    I have the same folder structure on my laptop. I also noted there is a reference in the Registry as shown below.
    Attachment 233985
      My Computers


  8. Posts : 56,804
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #28

    In Disk Management, do you see a weird drive that might say "Read Only", or doesn't seem to be a real physical drive?
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  9. Posts : 56,804
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #29

    Any answers yet?
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  10. Posts : 56,804
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #30

    @Steve C

    I found this about Application Guard in one of Shawn's tutorials. Appears that Hyper-V must also be enabled, which I'm sure you did when you first started playing with Application Guard. Then, you removed Application Guard and all those folders/files remained. Perhaps disabling Hyper-V will remove them and the reg entries. That's why I asked about the Disk Management drives, to see if there were any Virtual Drives (.vhdx).

    What is this large folder?-2019-05-16_17h37_29.png

    Turn On or Off Windows Defender Application Guard in Windows 10
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