cd c:windowssystem32
ren oleaut32.dll oleaut32.old
copy d:windowssystem32oleaut32.dll c:windowssystem32
You can also restore your system to a point where the error in question did not occur.
This can be done using the System Restore feature, which works by creating restore points on your computer, usually before performing any important operations. When you select a restore point, your system will roll back to the state it was in when the restore point was created, resolving errors in the process.
If you have pending updates in your system, the article recommends that you take the time to install them. This is because Microsoft regularly releases updates that include fixes for known issues, and by updating your Windows system to the latest version, you can resolve the issue you're having. encountered immediately.
If this doesn't work, you can perform an in-place upgrade, which will reinstall Windows while keeping your files and applications intact. You will need Windows installation media (USB or DVD) to perform the repair installation.
The Isass.exe error can be frustrating, but the steps above should be able to restore your device to its normal state and avoid further problems. However, if none of the solutions work for you, it's best to contact Microsoft's official support team and report the problem to them.