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

Exchange Online PowerShell Migration Checklist

When you're migrating mailboxes to Exchange Online using PowerShell, the process can feel overwhe...

BitLocker Recovery Key Not Accepted? Fix TPM Issues

You enter your BitLocker recovery key, but Windows rejects it. This often points to a TPM (Truste...

How to Fix Windows Security Auto Start Not Working

You expect Windows Security to start on boot, but it doesn't. The icon might be missing from the ...

Windows Update 504 Gateway Timeout: Advanced Troubleshooting Checklist

If you're seeing a 504 Gateway Timeout error when running Windows Update, it usually means the up...

How to Fix Cloudflare Error 521: Web Server Is Down

When you see Cloudflare error 521, it means your browser reached Cloudflare, but Cloudflare could...

How to Fix 'npm command not found' on Mac