Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix 'Port Already Allocated' Error in Windows Defender

You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...

Fix Chrome Profile File Locked by Another User

If Chrome shows "Your profile could not be opened correctly" or "The profile appears to be in use...

Fix Windows Activation Login Loop Error 0x8007000d

You sign in to Windows, but instead of your desktop you get an activation prompt, and after enter...

Windows Terminal Shows Blank Screen When PowerShell Doesn't Load

You open Windows Terminal, expecting the PowerShell prompt, but instead you see a blank black or ...

How to Fix MySQL Error 1045: Access Denied for User

You try to connect to MySQL and get ERROR 1045 (28000): Access denied for user 'username'@'...

How to Fix Remote Desktop Proxy Error: Step-by-Step Guide
When you get a proxy error in Remote Desktop Connection (RDP), it usually means the client can't ...