Bitdefender Help and Troubleshooting Guides
Explore step-by-step help for common Bitdefender issues. Choose the problem that matches what you are experiencing. Product features and recovery steps can vary by version and account.
Request assistanceCommon Bitdefender issues
Installation failed
Check operating-system compatibility, disk space and installer authenticity. Restart and retry with the latest installer from the publisher.
Read the guide →Activation or license not working
Verify the license is valid for this product and device, confirm the signed-in account and check system date and connectivity.
Read the guide →Update failed
Confirm connectivity and available storage, restart the device and check for conflicting security tools before retrying.
Read the guide →Real-time protection disabled
Open the product dashboard, check subscription status and system permissions, and investigate any reported protection conflict.
Read the guide →Scan not completing
Update definitions, close heavy applications and try a smaller scan first. Record any error code for product-specific guidance.
Read the guide →False positive or quarantined file
Do not restore an unknown file without verification. Review detection details and use the vendor’s false-positive submission process.
Read the guide →Uninstall or reinstall
Back up license details and settings. Follow the publisher’s removal instructions and reboot before reinstalling.
Read the guide →Subscription or renewal question
Review billing details in the vendor account and use the vendor’s official billing portal for cancellation or renewal.
Read the guide →Firewall or blocked application
Identify the blocked app and rule. Only allow software you trust, and avoid disabling the entire firewall.
Read the guide →Device performance issues
Check CPU and memory usage, scheduled scans, updates and competing security applications.
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