How to Uninstall VirtualBox Guest Additions on Linux Mint 19.1 Cinnamon?br br Step 1: Right click on the desktop, and then click on 'open in terminal.'br br Step 2: Type the command below to go to 'opt' directory, and then hit enter.br br cd optbr br Step 3: Now, type 'ls' command to check your VirtualBox Guest Additions version, and then hit enter.br br Step 4: Type the command below to uninstall it. br br sudoVBoxGuestAdditions-your-versionuninstall.sh br br After that, hit enter key on the keyboard. Provide your Administrative password, and then hit enter.br br Step 5: After that, Restart your linux mint system.