Cannot Open SCM: Access Is Denied – Virtual CDROM Posted on by Webmaster IT Support Forum › Forums › Windows › Windows 7 › Applications › Cannot Open SCM: Access Is Denied – Virtual CDROM Tagged: Microsoft Virtual CDROM Control Panel This topic has 0 replies, 1 voice, and was last updated 7 years, 8 months ago by Webmaster. Viewing 0 reply threads Author Posts January 21, 2016 at 11:44 am #1640 WebmasterKeymaster When trying to use Microsoft Virtual CDROM Control Panel, you get this error: VCdControlTool Cannot Open SCM: Access is denied. To fix the SCM access error, close Virtual CDROM Control Panel, right click the app and click Run as Administrator. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In