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

How to Fix BitLocker Pre-Boot Authentication Not Working

You enter your PIN or password at boot, but BitLocker skips the prompt and boots directly to Wind...

How to Fix Outlook Service Unavailable Error

When Outlook shows a 'service unavailable' error, you usually cannot send or receive emails. This...

Windows Security Troubleshooting Checklist

If Windows security features aren't working as expected—like Windows Defender won't start, update...

Fix PowerShell Ubuntu Permission Denied Error on WSL

You're running a PowerShell script in Ubuntu on WSL and get a permission denied erro...

PowerShell Missing After Windows Update – How to Fix

After installing a Windows update, you may find that PowerShell no longer appears in the Start me...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...