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

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...

How to Fix Windows Update Error 0x80240034 (Rate Limit)

If you see error 0x80240034 when checking for Windows updates, it usually means the update servic...

Task Scheduler Setup Guide: Prevent Blank Screens on Login

If your PC shows a blank screen (black or white) after login, a misconfigured Task Scheduler task...

How to Fix Abnormal Memory Usage in CMD on Windows

Chrome Sync Not Working with Multiple Profiles: Fixes

If you use multiple Chrome profiles and sync stops working—bookmarks missing, passwords not updat...

Fix Windows Activation Authentication Failed After Hardware Change

After upgrading your PC's motherboard, CPU, or other major hardware, Windows may display an activ...