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

Fix PowerShell Auto Start Not Working Due to Execution Policy

You set a PowerShell script to run automatically at startup, but it fails silently. The script wo...

Fix PowerShell 404 Not Found When Downloading File

You run an Invoke-WebRequest or Start-BitsTransfer command in PowerShel...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix Windows Security High CPU Usage at Idle

If your system fan is spinning up or Task Manager shows Windows Security (Antimalware Service Exe...

Ubuntu Windows Security Compatibility Troubleshooting Guide

If you run both Ubuntu and Windows on the same machine—either in a dual-boot configuration or thr...

Fix Windows Update Cleanup Stuck Error 0x80070002

When running Disk Cleanup or the Windows Update troubleshooter, you might see error 0x80070002 an...