Checklists for software errors, setup, and tool workflows.

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Fix PowerShell Service Unavailable Error (Enable or Restart)

If you see 'Service unavailable' when trying to use PowerShell, the PowerShell service might be s...

Jupyter Notebook Token Not Working After Update: Fixes

After updating Jupyter Notebook or JupyterLab, you may find that the token-based authentication n...

Fix Windows Defender Token Expired After Update

After a Windows update, you might see an error that Windows Defender's security token has expired...

Fix Windows Update Error 0x80070005: Permission Issues

When Windows Update fails with error 0x80070005, it usually means the update process doesn't have...

How to Fix Git Push Rejected (Non-Fast-Forward)

You run git push and get a rejection: ! [rejected] main -> main (non-fast-forwar...

Fix Windows Activation Error 0x8007232B: Service Unavailable
When you see the error "Windows Activation Service Unavailable" with code 0x8007232B, Windows is ...