
How to Enable Windows Defender After It Failed to Start
If Windows Defender won't start, you may see an error like "This app has been turned off" or "Win...
Software troubleshooting desk

If Windows Defender won't start, you may see an error like "This app has been turned off" or "Win...

If Outlook cannot connect to your email server and you suspect your firewall is blocking it, you’...

You might see a timeout error when Windows Search indexing stops responding, often with a code li...

You update a Chrome extension, and suddenly it stops working—showing a "permission denied" error ...

If you see 'Redis connection refused' when trying to connect to a remote Redis server, a firewall...

If you see "Windows Defender service not running" or a red warning in Security Center, the underl...