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

Fix Windows Security High CPU Usage and Slow PC

If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...

Fix Microsoft Store High Memory Usage & Error 0x80073cf0

You open Task Manager and see Microsoft Store using several hundred MB of RAM. When you try to in...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...

How to Fix Microsoft Store Stuck on Loading Screen by Resetting Settings

If the Microsoft Store app stays on a blank or spinning loading screen and never shows content, i...

PowerShell Network Error: Access Denied – How to Fix

When you run a PowerShell command that accesses a network resource—like a remote file share, regi...

Fix KMS Activation Error: Port 1688 Already in Use