If while upgrading Windows to a newer version, you receive Windows could not update the computer's boot configuration, Installation cannot proceed error, see this fix.

MSCONFIG not saving changes? Fix System Configuration cannot save the original boot configuration for later restoration. Boot Changes will be reverted. The handle is invalid.

Updates are essential to protect your Windows PC — Microsoft has just confirmed that some Windows 11 users have a big problem. Luckily, there’s a very simple fix.

Booting into the Windows 8 setup, select "Repair your computer" in the bottom part of the window, then "Troubleshoot" and "Advanced options".

Microsoft has released an out-of-band update to address a known issue causing some Windows 11 systems to enter recovery and fail to start after installing the KB5058405 May 2025 security update.

Microsoft has acknowledged an issue affecting Windows 10 customers who have installed the KB4535680 security update that addresses a security feature bypass vulnerability in Secure Boot.

Except that I get the following message at the end of the installation: “Windows could not update the computer's boot configuration. Installation cannot proceed”.