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

Fix Microsoft Store Ubuntu Download Stuck

You click Install on Ubuntu in the Microsoft Store, but it hangs at 0% or a partial percentage. T...

Fix Microsoft Teams SSL Certificate Expired Error

You open Microsoft Teams and see a warning that the SSL certificate has expired. The app may fail...

Fix Windows Update Setup Failed Rollback Changes

When a Windows update fails and you see "Undoing changes" or "We couldn't complete the updates, u...

Fix Azure CLI Token Expired in Windows Terminal

If you see an error like Azure CLI token is expired when running commands in Windows...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Microsoft Teams Connection Refused: Network Configuration Fixes

When Microsoft Teams shows a 'connection refused' error, it usually means a network device or set...