If you installed a Feature Update (like going from 23H2 to 24H2), wusa won't save you. For those, you need the 10-day window to roll back via Recovery > Go back . After day 10, your only option is a clean install. The Ethics of the Revert Here is my hot take: You should not have to revert.

The culprit is usually an antivirus, a locked system file, or—ironically—a previous update that corrupted the Volume Shadow Copy service. If you want to revert a Windows update today, you have to abandon the GUI. It is a trap. Open PowerShell or CMD as Administrator. Run this:

Security updates are sacred. You should install them. But the sheer difficulty of removing a cumulative update that breaks printing or networking reveals a design flaw.

wusa /uninstall /KB:5021234 (Replace 5021234 with your actual KB number).

You aren't paranoid. You've just been burned before.

We’ve all been there.