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

Fix Windows Defender Rate Limit Error Not Working

If you see a 'rate limit error' in Windows Defender and it's not working properly—scanning fails,...

How to Clear Windows Security Threat History That Won't Delete

You've resolved a virus or malware issue, but the threat history in Windows Security still shows ...

Fix Microsoft Teams Black Screen on Login: Step-by-Step

When you launch Microsoft Teams and see only a black screen after signing in, the app is likely s...

Chrome Browser Crashing: Systematic Troubleshooting Checklist

Chrome crashes can happen for many reasons—an extension gone rogue, corrupted cache, or a system-...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Windows Security Log 4625 Failed Login Troubleshooting

When you see event ID 4625 in the Windows Security log, it means an account failed to log on. Thi...