Randem Systems Support Board

If you get the error "we couldn't update the system reserved partition". This error occurs when attempting to install or upgrade Windows 11 over Windows 10. This problem can also occur when you can't complete a Windows 10/11 Update and it keeps installing and uninstalling an update. This error is a frustrating one, it does have an answer though and take a bit of doing to get this resolved.

This answer from Microsoft will help but may not get you out of trouble. You may need to delete more than the Fonts folder to get thru this. Resizing the partition would help but I have found that no software will resize this SRP partition at least on a Dell computer, so deleting files or moving these files to another drive seem to be only options. On a Dell you will need to delete the BIOS recovery files in the "EFI/dell/bios/recovery" folder to make enough room. these files are rather large and may give you enough room to complete your upgrade to Windows 11 or your Windows Update in Windows 10. you may move these large files back to their original location but you might run into the same problem again down the road. But at least this time you know how to solve the issue.