
Fix Windows Security Rate Limit Error: Can't Open App
You try to open Windows Security or a protected app, and instead you see an error message like "R...
Software troubleshooting desk

You try to open Windows Security or a protected app, and instead you see an error message like "R...

If you're seeing ERR_NAME_NOT_RESOLVED, ERR_DNS_FAILED, or page...

You open Task Manager and see that Command Prompt (cmd.exe) is using 500 MB or more of RAM. That'...

After a Windows update, some users see a 504 gateway timeout when using Windows Search. This usua...

You open Windows Security and see a 404 error or the page fails to load. This usually points to a...

If Microsoft Edge fails to launch—clicking the icon does nothing, or the window appears briefly a...