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

Fix Remote Desktop DNS Lookup Failed Error

When you try to connect to a remote computer using Remote Desktop (RDP) and see a 'DNS lookup fai...

How to Clear Microsoft Store Cache to Fix Update Errors

If you're seeing error codes like 0x80073cf0 or 0x80070005 when trying to update apps from the Mi...

How to Fix Windows Security Settings Not Saving Changes

You change a setting in Windows Security—like toggling real-time protection or adding an exclusio...

PowerShell Profile Cache Location and How to Delete It

If PowerShell starts slowly, shows errors on launch, or seems to ignore recent profile changes, a...

Chrome Extension Setup Checklist for Beginners

You've decided to try a Chrome extension. Maybe you want to block ads, save passwords, or manage ...

Fix GitHub Actions Cache Action Permission Denied Error