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

How to Improve Remote Desktop Performance Over VPN

If you're connecting to a remote PC via Remote Desktop (RDP) over a VPN, you've probably experien...

Fix Stuck in Login Loop After Command Prompt Boot

If you booted into Command Prompt (e.g., via Advanced Startup) and now you're stuck in a login lo...

Fix Windows Defender High Memory Usage

If you notice Windows Defender (Microsoft Defender Antivirus) consuming a lot of memory—sometimes...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix 'File Being Used by Another Process' in PowerShell

When you run a PowerShell script that tries to read, write, or delete a file, you might see the e...

Windows Security DNS Error Troubleshooting Checklist

If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...