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

Fix BitLocker Authentication Failed with TPM Not Working

If BitLocker prompts for a recovery key or shows "Authentication failed" and TPM is not working, ...

Fix Windows Update 504 Gateway Timeout Error

You see a 504 Gateway Timeout error when checking for Windows Updates. This usua...

Windows 10 Activation Stuck at 0%: Practical Fixes

You try to activate Windows 10, but the progress bar stays at 0% for minutes or hours. This can h...

Fix Microsoft Store 404 Not Found Error

Seeing a 404 Not Found error when opening the Microsoft Store is frustrating, but it's often fixa...

Fix PowerShell Remote Connection Refused Error

Windows Defender Offline Scan Setup Guide

If your Windows PC is infected with malware that won't go away with a normal scan, a Windows Defe...