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

Fix VirtualBox Kernel Driver Not Working After Update

After a system update, VirtualBox may fail with errors like "Kernel driver not installed" or "Vir...

Set Up Outlook Proxy for Exchange: Step-by-Step

When Outlook can't connect to Exchange, a misconfigured proxy is often the culprit. This guide wa...

Fix Windows 10 Activation Error 0x803fa067

You see error 0x803fa067 when trying to activate Windows 10. It usually means the activation serv...

Fix OneDrive 504 Gateway Timeout Error Code

If you see a 504 Gateway Timeout error when using OneDrive, it usually means the server is not re...

Fix 'npm command not found' in VS Code Terminal

If you see 'npm command not found' in the VS Code terminal, it usually means Node.js is not insta...

MongoDB Authentication Failed: Administrator Checklist