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

Fix Windows Security 502 Bad Gateway Error

If you're seeing a "502 Bad Gateway" error when opening Windows Security (also known as Windows D...

Fix Windows Security Not Launching at Startup

You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...

Fix Windows Activation 504 Timeout When Connecting to KMS Server

When your Windows system tries to activate against a KMS server and you see a 504 timeout error, ...

How to Fix '404 Not Found' File Path Errors in CMD

How to Fix Microsoft Teams Auto Start Not Working

You expect Teams to launch automatically when you log into Windows, but it doesn't. This guide co...

Fix Microsoft Teams Access Denied Due to Admin Restrictions

You try to sign in to Microsoft Teams, but you see an "Access denied" message. This usually happe...