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

Fix Windows Security Error 0x80073b01

You try to install or update an app from the Microsoft Store, and Windows Security throws error 0...

How to Fix Slow Windows Search Performance

When Windows Search takes minutes to find a file or returns no results, it's usually due to index...

Fix Chrome Profile Service Unavailable After Update

After updating Chrome, some users see the error “Profile service unavailable” or “Sign in error: ...

Fix PowerShell Proxy Authentication Failed Errors

Fix Chrome Tunnel Connection Failed: Network Config Guide

When Chrome shows 'tunnel connection failed' or 'ERR_TUNNEL_CONNECTION_FAILED', it usually means ...

Fix Microsoft Store SSL Certificate Expired Error

You open the Microsoft Store and see an error about an SSL certificate being expired. The store m...