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

Fixing 504 Gateway Timeout from Windows Update with Proxy

If you see a "504 Gateway Timeout" error when running Windows Update, and your system uses a prox...

Windows Activation Service Unavailable on New Computer

You just set up a new computer, but when you try to activate Windows, you see an error that the a...

Fix Windows Activation Version Mismatch After Upgrade

After upgrading Windows—whether from Home to Pro or from an older build to a newer one—you might ...

Fixing Microsoft Teams Ubuntu Installation Errors

You try to install Microsoft Teams on Ubuntu and get errors. The package might fail to install, d...

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...