Microsoft has acknowledged the issue and is working towards resolving the problem. There is no need to worry if you face any similar issues after installing the preview build. What to do if you encounter the issue on your PC? When we searched for the specific reason that may be causing this error, we found nothing credible on Bing and Google apart from some articles by Microsoft giving probable causes behind this problem. One user has reported that even troubleshooting failed to resolve the issue. There is no single reason that can be held responsible for causing the problem for sure. The Windows 11 error 0xc1900101 is a generic error that appears when an update fails, and your OS rolls back to a previous version. While most of the users have faced the same error code, there are others who claim to have encountered other errors like 0x800f081f, Media Player Absent, etc. Other users have also replied to the report with similar issues. The OS reverted to an older version just before the update was about to complete. One of the early reports on Feedback Hub mentions that on updating to the latest preview build, the user faced an error code 0xc1900101.

The Feedback Hub is swarming with reports of errors on the issue. The recently released preview build launched in April 2022 has invited some difficulties for the users who updated their Windows 11 PC to this version. However, Microsoft is continuously working to fix any problems reported by users. Moreover, almost every update released has been blamed for one or another bug issue and other troubles.

What to do if you encounter the issue on your PC?Īmid the applauds of great features and advanced UI, Windows 11 is still struggling with the bugs and update glitches.