# These are the major improvements:
- Completely new second scan engine from BitDefender (B) with even more efficient scans and greater detection rate.
- Significantly less false alerts as they were usually caused by the former second scan engine.
- Improved first scan engine (A) now runs faster than ever.
- New performance settings for experts to configure the CPU use of the scanner.
- Significantly better real-time protection performance. The active guard does not slow down your computer.
- Optimized malware cleaning to be able to restore registry entries that were affected by malware.
- Improved surf protection to block malware-, phishing- and privacy risk websites with a brand new and more frequently updated database (every hour).
- Faster online updates via smaller incremental downloads. This means hourly updates are ready for use without delay.