Checklists for software errors, setup, and tool workflows.

Fix Windows Activation Blank Screen After Login

You log into Windows, but instead of your desktop, you see a blank screen—often with only a curso...

Setup Environment Variables to Fix Command Not Found

You type a command you know is installed, but the shell replies: command not found. ...

Fix OneDrive Sync 504 Gateway Timeout Error

If you see a "504 Gateway Timeout" error when syncing OneDrive, it usually means the sync service...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Chrome Backup Restore Failed Error Code: Fixes

When you see a 'Chrome backup restore failed' error with a numeric code, it usually means Chrome ...

Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist

If you see error 0x80073cf9 when installing or updating apps from the Microsoft Store, it usually...