Checklists for software errors, setup, and tool workflows.

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Fix PowerShell Blank Screen After Windows 10 Update

After a Windows 10 update, you might open PowerShell and see nothing but a blank window—no prompt...

Fix OneDrive Not Syncing Despite Internet Connection

You have a working internet connection—other sites load, email works—but OneDrive shows a sync er...

Fix Windows Security Not Launching at Startup

You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...

Fix Git 'Fatal: Repository Not Found' Despite SSH Key Setup

You've set up an SSH key and added it to your Git hosting service, but when you try to clone or p...

Fix systemd service exit code 203 (exec format error)

When a systemd service fails to start with exit code 203, the journal usually shows exec fo...

Windows Activation Failed to Start Windows 10 Troubleshooting Checklist
If you see the error 'Windows activation failed to start Windows 10' when trying to activate, it ...