
Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...
Software troubleshooting desk

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

When you see "Your profile could not be opened correctly" or "The profile appears to be in use by...

You try to delete a Chrome profile from the settings page, but the option is grayed out, missing,...

After a Chrome crash, you might see an error like "Your profile could not be opened correctly...

After replacing a motherboard, CPU, or hard drive, you may see a message that your Windows activa...

You set up a scheduled task in Windows Task Scheduler, but it never runs. When you check the hist...