Checklists for software errors, setup, and tool workflows.

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

You run docker build and get an error like:

failed to solve: error fetching ...

How to Re-enable Windows Defender Real-Time Protection

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...

Fix Command Prompt Update Error After Reboot

You restart your Windows machine, open Command Prompt, and see an update error. This usually happ...

Fix Chrome Profile Connection Refused & Sync Not Working

When Chrome shows "connection refused" and sync stops working, it's often due to a corrupted prof...

Fix Windows Security Error 0x80070643 on Ubuntu Dual Boot

If you see error code 0x80070643 when running Windows Security or Windows Update on a dual-boot s...

Fix OneDrive Sync Unavailable After Update

After a recent Windows or Office update, you might see “OneDrive sync is unavailable” or the sync...