Fix Windows Update Error 0x80070020: Port Already Allocated
When you see error 0x80070020 during a Windows Update, it usually means a program is already usin...
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Browse labHow to Fix Windows Security Rate Limit Error
You may see a Windows Security rate limit error when trying to open the app or run a scan. This o...
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How to Fix Firefox Not Responding on Windows 10
Firefox becomes unresponsive on Windows 10 for various reasons—a stuck process, corrupted profile...
Fix Windows Security High Memory Usage (MsMpEng.exe)
You open Task Manager and see Windows Security (the process is MsMpEng.exe) using 500 MB or more ...
Windows Security Troubleshooting Guide
Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...