How to Fix “App Container profile failed with error 0x800700B7” bug in Event Viewer on Windows 10?

Issue: I've been getting “App Container profile failed with error 0x800700B7” error during every boot, after upgrading to 1703 build. Is someone encountering the same problem?

Solved Answer

App Container profile failed with error 0x800700B7 because it was unable to register the AppContainer SID.” That’s an error message that many Windows 10 users received at Windows boot in Event Viewer.[1] We have found some threads related to 0x800700B7 error that has been created before Windows 10 Creators Update (V1703) release. Nevertheless, most of the computers affected by this bug were recently upgraded to Creators Update.[2]

0x800700B7 error fixes

Luckily, the “App Container profile failed with error 0x800700B7” error does not have negative effect on system’s performance. However, “littered” Event Viewer can annoy some users and they might want to clean it. Besides, the error may also be accompanied by “The request is not supported” error when trying to start the CldFlt service.[3]

Microsoft community is fussing about “App Container profile failed with error 0x800700B7” error and casting anxiety due to Microsoft’s unresponsiveness. It seems that this time the company’s support team is not even going deep about the “App Container profile failed with error 0x800700B7” error because the recently created thread has been moved to the Windows Update discussion topic, which is not relevant.

Nevertheless, Microsoft is working hard on every issue, so it can be expected that the upcoming patch will fix the 0x800700B7 error. If, nevertheless, you are not willing to wait for the official fixes, you can try these methods:

Perform a Clean Boot

Clean Boot requires minimal set of drivers and startup programs to run Windows OS. By performing it, you will be able to isolate the software conflicts that may occur on the system and trigger the issues like “App Container profile failed with error 0x800700B7” bug.

  • Press Windows key + R, type msconfig, and press Enter.
  • Open Services tab and check the Hide all Microsoft services box.
  • Click Disable all.
  • Now open Startup tab again and select Open Task Manager.
Clean Boot fixes software conflict
  • Disable all startup items and close Task Manager.
  • Click OK and restart the system.

If the error disappeared, then you should enable startup items and processes one-by-one to see which application causes problems.

Run Registry Editor

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  • Press Windows key + R, type regedit, and press Enter.
  • Use the left pane to navigate to the Computer\\HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\CldFlt directory.
  • Find the Start registry DWORD (REG_DWORD) on the right side of the CldFlt key.
  • Double-click on it and set the value from 2 to 3.
Registry tweak fixing 0x800700B7 error
  • Click OK and close Registry Editor.
  • Finally, reboot the system. You may need to reboot it twice to clean the Even Viewer completely.

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About the author
Gabriel E. Hall
Gabriel E. Hall - Passionate computer expert

Gabriel E. Hall is an expert troubleshooter who has been working in the information technology industry for years.

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