Windows 11 update fails with 0xc1900101? Microsoft is monitoring reports

Upgrading your Windows 11 PC to a newly released cumulative update or preview build isn't always as easy as you think. According to reports, for some people, the installation process fails with error 0xc1900101 and the system automatically rolls back to the previous update/build without telling anything about the cause of the problem.

The most common error message encountered during the installation of certain Windows 11 updates (mainly preview builds) is 0xc1900101. Although we've seen reports pointing to other error messages when installing Windows 11 updates, this appears to be the most reported error on the Feedback Hub.

Windows 11 Error 0xc1900101-0x4001c doesn’t provide any details on the cause, and a quick search on Bing doesn’t reveal the cause. Some believe the error is caused by a compatibility issue between certain apps and Windows 11 or a bug in one of the updates released for the operating system.

"We have the same problem here. All my physical machines are updated, but on the virtual machines running Hyper-V, VMWare or VirtualBox, it almost reaches the end of the update and then rolls back. More The bad thing is that on VMWare and VirtualBox, the virtual machine software crashes at the end of the update," one user noted on the Feedback Hub.

"I have the same problem. The first time I updated my PC to the latest version, it showed an error about my graphics driver, so it rolled back to reinstall the driver. I briefly After reinstalling the update, it was successful," another user added.

Microsoft Confirms 0xc1900101 on Windows 11

Thankfully, Microsoft has confirmed that it is aware of the error message and is actively monitoring reports, but is currently unable to provide a workaround. This is because "0xc1900101 is a general error shown when an update fails" and the system tries to rollback for some reason.

"Thank you for taking the time to report this issue - error code 0xc1900101 is a general error shown when an update fails and is rolled back for some reason. This is an area we are watching closely and may have a different root cause , depending on the version you are trying to upgrade to and your settings," Microsoft said.

"If you are trying to update to a previous Insider version, please try the latest version as it may resolve your issue".

Lack of disk space is also a common cause, so make sure you have enough storage space available on your drive before installing the latest or preview version.

If you have tried everything and nothing works, you can try the following steps:

1. (Only available for preview versions such as Windows 11 Build 22593)
2. Open File Explorer and navigate to the system drive.
3. Find and open "system32".
4. Remove SecretFilterAP.dll from system32 as it is a legacy from an older version.
5. Restart and check for updates again.

It remains to be seen how smooth the Windows 11 upgrade process will be when Sun Valley 2 becomes available to everyone, including those running the operating system on unsupported hardware, later this year.

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