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

Windows 11 Activation Fails After Hardware Change: Fixes

After upgrading your PC's motherboard, CPU, or hard drive, Windows 11 may show an activation erro...

How to Fix PowerShell DNS Errors in Windows

When PowerShell throws a DNS error—like "DNS name does not exist" or "Cannot resolve the server n...

Windows Defender High CPU and Memory Usage Not Working: Fixes

If Windows Defender is eating up CPU or memory and also failing to run scans, update definitions,...

Fix Command Prompt Not Recognizing Commands

Windows Update Log File Not Found: How to Fix

When you open the Windows Update log and see 'log file not found' or get this error in Event View...

Fix Windows Activation Blank Screen After Login

You log into Windows, but instead of your desktop, you see a blank screen—often with only a curso...