I'm having trouble updating to Windows 11 version 25H2, and I'm getting the install error 0xc1900101. I've tried almost everything I could find online, including doing a clean boot with all startup apps disabled and turning off every non-Microsoft service in the msconfig. I've also disconnected everything from my USB ports, just leaving my mouse, monitor, and internet cable plugged in. Despite all these efforts, the error still persists. Can anyone help me troubleshoot this? I'm happy to provide more information if needed.
2 Answers
It sounds like it could either be a driver issue or maybe you're running low on storage space. Windows 11 typically requires about 20 GB of free space to perform an upgrade. You might want to double-check the available space and ensure all your drivers are up to date.
I've had success updating my Windows with an ISO image instead. You can find the steps to do that [here](https://pureinfotech.com/upgrade-windows-11-23h2-to-25h2/). It might be a good workaround for your situation!
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