Knowledge base for software setup, errors, and daily tool work.

How to Fix Windows Defender File Locked Error

When Windows Defender (Microsoft Defender Antivirus) locks a file, you typically see an error lik...

How to Fix 'Repair Windows Defender Command Not Found' Error

If you run repair-windows-defender in Command Prompt or PowerShell and get a 'comman...

Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

Fix Windows Search Access Denied Error via Command Prompt

If you see an "Access Denied" error when trying to search files or rebuild the search index in Wi...

Fix Windows Search Access Denied for Administrator Account

Why You See 'Access Denied' as Administrator

You're logged in as an administrator, but Wi...

Git Pull Merge Conflict Troubleshooting Checklist

You run git pull and get a merge conflict message. This is common when your local br...