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

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Fix Command Prompt High CPU Usage Caused by Windows Update

You open Task Manager and see Command Prompt (cmd.exe) using a lot of CPU – sometimes 30% or more...

Fix PowerShell Stuck on Loading PowerShell 7

You launch PowerShell 7, and the window shows “Loading PowerShell 7” indefinitely. The prompt nev...

How to Interpret Windows Security Log Event ID 4672

If you check your Windows Security log and see Event ID 4672 repeatedly, you are not alone. This ...

Fix Windows Security High Memory Usage: Practical Steps

If you notice your PC slowing down and Task Manager shows Windows Security (or Antimalware Servic...

Microsoft Teams Proxy Server Troubleshooting Checklist

If Microsoft Teams fails to connect, shows a black screen, or keeps signing you out, a misconfigu...