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

Windows Security Full Scan Stuck at 99% – How to Fix

You run a full scan in Windows Security, it reaches 99%, and then nothing happens for minutes or ...

Fix Microsoft Store Connection Refused After Update

After a Windows update, some users see a 'connection refused' error when opening Microsoft Store....

Fix Windows Defender Stuck on Loading Black Screen

If Windows Defender (Microsoft Defender Antivirus) hangs on a black screen with a spinning or fro...

How to Fix Abnormal Memory Usage in CMD on Windows

How to Fix Microsoft Store App Installation Stuck

You click Install in the Microsoft Store, the progress bar starts, then it just sits there—maybe ...

How to Fix Windows Defender Error 0x800704ec

When you see error 0x800704ec in Windows Defender (now called Microsoft Defender Antivirus), it u...