Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.
Work through these checks
0 of 3 complete01Update virus definitions manually
Update virus definitions manually.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
02Add exceptions for game folders and developer tools
Add exceptions for game folders and developer tools.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
03Go to Settings → Windows Security → Virus & threat protection → Manage settings
Go to Settings → Windows Security → Virus & threat protection → Manage settings.
Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.
Possible causes
- Security definitions not updated
- Exception for system folders is not set
- Conflict with other antivirus software
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