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

Firefox Not Responding: Clean Reinstall Guide

If Firefox freezes, crashes, or shows a "not responding" message repeatedly, a clean reinstall ca...

Fix PowerShell Authentication Failed Credentials Error

Fix Windows Update Connection Timeout with Registry Edit

You click Check for updates, and after a long wait, you get a timeout error. This is often caused...

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 Search Rate Limit Error in Windows 11

If you're seeing a “rate limit” error when using Windows Search in Windows 11, it usually means y...

Fix Remote Desktop Black Screen After Connection

You connect to a remote PC via Remote Desktop (RDP) and see only a black screen. The cursor moves...