id summary reporter owner description type status component version resolution keywords cc guest host 19227 Unable to install VirtualBox additions onto host JMH1 "The installer for Guest Additions 6.1.2 freezes at ""Installing extension pack..."". This occurs during attempted installation on the HOST system; this is before I can even attempt to upgrade the VMs. This is specific to version 6.1.2. This occurs in both Windows 10 and 7. This occurs for both upgrade installs and fresh installs." defect closed guest additions VirtualBox 6.1.2 duplicate jmh@… all Windows