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

Fix Windows Security Not Launching After Malware Removal

After removing malware, Windows Security may fail to launch or show a blank window. This is often...

Fix Command Prompt Sync Issue with System Clock

Fixing Microsoft Teams Rate Limit Errors from Too Many Requests

If you see errors like “429 Too Many Requests” or “Rate limit exceeded” in Microsoft Teams, it me...

How to Fix PowerShell Rate Limit Errors in Microsoft Graph API

When you run a PowerShell script against the Microsoft Graph API, you might encounter HTTP 429 er...

Fix Microsoft Store Connection Refused DNS Error

When you open Microsoft Store and see a 'connection refused' error, it's often a DNS problem. You...

Fix Remote Desktop 404 Not Found After Network Changes

After changing network settings—like switching to a new router, enabling a VPN, or reconfiguring ...