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

How to Fix a File Locked by Windows Security in Windows 10

You try to open or run a file, and Windows Security blocks it with a message like "Windows protec...

Fix Windows Security Blank Screen in Command Prompt

You open Windows Security from Command Prompt and see nothing but a blank window. This can happen...

Windows Update 404 Not Found: Practical Checklist

When Windows Update gives you a 404 Not Found error, it usually means the update files are missin...

How to Resolve Git Pull Merge Conflicts

When you run git pull and get a merge conflict, it means your local changes overlap ...

Fix PowerShell Not Running as Admin in VS Code Permission Denied

You open the VS Code integrated terminal, select PowerShell, and try to run a command that requir...

Fix Maven Dependency Resolution Failed in Offline Mode