id summary reporter owner description type status component version resolution keywords cc guest host 19806 [Guest OS windows 7] VirtualboxVM process memory increases while launch app in guest OS ramboliu "Host OS : ubuntu 20.04 VirtualBox: 6.1.12.r139181 Guest OS: windows 7 ultimate x64 7601 test app: mBlock VM config: Memory 2G. How to reproduce: 1. Use top to monitor memory usage. 2. Open VirtualBox, boot windows 7 guest os to desktop. 3. Install and launch app named mblock.exe. 4. While mblock launch completely. then close it. 5. Repeat launch mblock.exe and close scene several times. 6. Check memory status. ==> We find it increse to 3.3G, But i only allocate 2G." defect new other VirtualBox 6.1.10 Memory leak Windows Linux