Checklists for software errors, setup, and tool workflows.

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

Fix Nginx Config Test Fails with 'upstream host not found'

You run nginx -t and get upstream host not found. The config test fails...

Clear PowerShell Command Cache After Module Update

After updating a PowerShell module, you may notice that new cmdlets or changes don't appear immed...

Fix Windows Security Connection Refused Service Not Running

If you see 'Connection refused' or 'Service not running' when opening Windows Security, the under...

Fix Windows Security Rate Limit Error 0x80070005

You open Windows Security and see an error: 0x80070005. Sometimes it says "Access denied" or "Rat...

How to Fix Windows Defender Error 0x800704ec

When you see error 0x800704ec in Windows Defender (now called Microsoft Defender Antivirus), it u...