How to Fix Windows Defender Rate Limit Exceeded Error
If you're seeing a 'rate limit exceeded' error in Windows Defender (now Microsoft Defender for En...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Reduce Windows Security Memory Usage
Windows Security (formerly Windows Defender) can sometimes use more memory than expected, especia...
How to Fix Windows Search Not Opening Automatically
If Windows Search doesn't open when you click the taskbar icon or press the Windows key and start...
Fix Remote Desktop 504 Gateway Timeout on Windows 10
If you see a "504 Gateway Timeout" error when connecting to a remote desktop on Windows 10, the c...
Fix Windows Security Error 0x80073b01: App Install Blocked
When you try to install a Windows app from the Microsoft Store, you might see error code 0x80073b...
Command Prompt Service Unavailable: Troubleshooting Checklist
When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...
Topic paths
Quick titles
Restore Windows Defender and Internet After Service FailureHow to Fix Windows Update 502 Bad Gateway ErrorOneDrive Not Signing In? Try These FixesHow to Fix Windows Search Proxy Problems on VPNHow to Fix OneDrive Not Syncing Specific FilesHow to Fix Windows Activation Proxy 502 ErrorHow to Fix OneDrive Sync Stuck After Clearing CacheChrome Troubleshooting Guide for Beginners