Checklists for software errors, setup, and tool workflows.

How to Fix Windows Security Connection Refused Error

You open Windows Security and see a "Connection refused" error when trying to update virus defini...

Fix Windows Backup Error 0x81000019 on System Restore

When you try to restore a Windows backup, error 0x81000019 can stop the process. You might see th...

Fix Windows Security Antivirus Not Turning On

You open Windows Security and see that the antivirus is off, with no obvious way to turn it on. T...

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 Resolve Git SSL Certificate Errors

You're cloning a repository or pushing commits and Git throws an error like fatal: unable t...