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

Fix Windows Defender Performance Issues After Update

After a recent Windows update, you might notice Windows Defender (Microsoft Defender Antivirus) c...

Fix BitLocker High Memory Usage Caused by TPM

If you notice your system slowing down and Task Manager shows BitLocker-related processes consumi...

Fix Windows Security Error 0x80070643 on Ubuntu Dual Boot

If you see error code 0x80070643 when running Windows Security or Windows Update on a dual-boot s...

Fix WSL Ubuntu Proxy Settings Not Working

If you've configured proxy settings in WSL Ubuntu but they aren't being used by apt or other tool...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

Fix BitLocker Error 504 When Unlocking a Drive

When you try to unlock a BitLocker-encrypted drive and see error 504, the drive remains locked an...