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

How to Reinstall a Chrome Extension Without Losing Data

When a Chrome extension stops working, you might need to reinstall it. But you don't want to lose...

Fix Windows Search 404 Error by Rebuilding the Index

When Windows Search throws a "404 error" or returns no results, the search index is often corrupt...

Fix Windows Search Stuck in Login Loop

If Windows keeps returning to the login screen after you enter your password, the Search process ...

WinRAR Checksum Error and Permission Denied Fix

When extracting a RAR archive in WinRAR, you might see errors like “Checksum error” or “Permissio...

How to Fix Outlook Authentication Failed Error

You open Outlook, try to send or receive email, and get an authentication failed error. The progr...

Fix 'Permission Denied' When Opening System32 in Command Prompt