md5sum filename
Fix:
1. System -> Administration -> Users and Groups->Unlock
2. Manage Groups ->Groups settings->Properties->Group ‘vboxusers’
3. check the box in front of current user and click the “OK”
4. Restart Ubuntu
md5sum filename
Fix:
1. System -> Administration -> Users and Groups->Unlock
2. Manage Groups ->Groups settings->Properties->Group ‘vboxusers’
3. check the box in front of current user and click the “OK”
4. Restart Ubuntu