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

Microsoft Store SSL Certificate Error: Troubleshooting Checklist

You open Microsoft Store and see an SSL certificate error—maybe “ERR_CERT_AUTHORITY_INVALID” or a...

Fix Command Prompt Proxy Settings 502 Bad Gateway

If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...

Fix NVM Not Found in Git Bash on Windows

How to Fix Microsoft Teams Permission Denied Error

If you see a permission denied error in Microsoft Teams, it usually blocks acces...

Fix Outlook Dependency Conflict After Update

After a recent Office or Windows update, Outlook may fail to start or show errors about a missing...

Fix Windows Activation Tool Not Opening on Ubuntu

You’ve installed a Windows activation tool (like an HWID or KMS emulator) on Ubuntu via Wine or a...