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

How to Repair Windows Search Database Corruption

If Windows Search stops returning files, emails, or settings, the search index database may be co...

Fix PowerShell Proxy Authentication Failed Errors

How to Troubleshoot 404 Not Found Errors in Command Prompt

Seeing a "404 Not Found" error in Command Prompt usually means the system can't locate a file, co...

Fix Outlook High CPU Usage and Not Responding

You open Outlook, and it takes forever to load, the CPU meter spikes, or the window freezes and s...

How to Fix Windows Update Stuck on Blank Screen

You restart your PC to install updates, but instead of the usual progress screen, you get a blank...

Fix WinRAR Checksum Error After Update

After updating WinRAR, some users see a "checksum error" when opening archives that worked before...