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

Fix Chrome Extension Permission Denied Error 0x80070005

When installing or updating a Chrome extension, you may see error code 0x80070005 with a message ...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

OneDrive Sync Configuration for Proxy Servers

If OneDrive won't sync at work or behind a corporate firewall, the proxy server is often the culp...

Fix Windows Store Error 0x80073cf9 Sync Issue

You open the Microsoft Store, try to download or update an app, and get error code 0x80073cf9. Th...

Fix Microsoft Store Error: Port Already Allocated After Update

After a Windows update, you might see a Microsoft Store error saying a port is already allocated....

Ubuntu Command Prompt Not Working After Update: Fixes

After a system update, you might find that the Ubuntu command prompt (terminal) is not working—it...