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

Fix Microsoft Teams Stuck on Loading Black Screen

When Microsoft Teams gets stuck on a black screen during startup, the app window may show nothing...

Microsoft Store Authentication Failed After Update: Fixes

After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Disabling Windows Activation Service to Free Up RAM

If you notice high memory usage on your Windows PC and suspect the Activation service (sppsvc.exe...

Fix Windows Security Error 0x80070643 on Ubuntu Dual Boot

If you see error code 0x80070643 when running Windows Security or Windows Update on a dual-boot s...

Docker Compose .env File Not Loading Variables: Fixes

You’ve defined environment variables in a .env file for your Docker Compose project,...