Knowledge base for software setup, errors, and daily tool work.

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

Fix Microsoft Store 404 Not Found After Update

After a Windows update, you might open Microsoft Store and see a 404 Not Found error when trying ...

How to Fix Windows Update Not Working After Upgrade

After upgrading Windows, you may find that Windows Update stops working—errors like 0x80070002, 0...

How to Enable Microsoft Store Startup in Settings

If you rely on the Microsoft Store for automatic app updates or quick access, you might want it t...

Fix Microsoft Teams SSL Certificate Error: Invalid Certificate

When you see "SSL certificate error: invalid certificate" in Microsoft Teams, the app may fail to...

Fix Windows Security Token Expired Error 0x80070520

You see error 0x80070520 with the message 'The security token has expired.' This usually happens ...