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

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...

How to Clear Windows Activation Cache Manually

If you see activation errors like “Windows is not activated” or “We can’t activate Windows on thi...

Fix Microsoft Teams Auto-Start Not Working via Group Policy

You've configured a Group Policy to force Microsoft Teams to start automatically when users sign ...

Fix VSCode Debugger Not Attaching to Process

You've set breakpoints, started your application, and clicked the attach button in VSCode, but th...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Fix Windows Update Authentication Failed / Permission Denied

When Windows Update fails with an "authentication failed" or "permission denied" message, it usua...