Checklists for software errors, setup, and tool workflows.

Fix Chrome Profile Cannot Connect to Proxy Server

When you open Chrome and see 'cannot connect to the proxy server', it usually means your browser'...

Windows Defender 404 Not Found Registry Fix

You open Windows Security and see a blank page or a '404 Not Found' error. This often happens aft...

Command Prompt Not Working After Windows Update: Fixes

After a Windows update, Command Prompt may fail to open, show a blank window, or close immediatel...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...

Fix Windows Defender Real-Time Protection Greyed Out

If you open Windows Security and find the real-time protection toggle greyed out, you can't click...

Fix Windows Security Service Failing to Start on Startup

If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...