IF you had daemon tools running. Just unmount the file that you have mounted... click on the unmount image button and it should be fine.
Well here is what i Found in detail
"Potential Conflict with Disc Emulator Software detected or "Virtual drive has been detected on your machine."
The error may occur if one of the emulation software listed below is installed on your computer.
Alcohol 120%, Blind Write, Daemon Tools, Game Jack, Clone CD,
Game Jackal, Xoom Game Clone, CD Space, Virtual 7 CD, Fantom CD or Anti Blacxx
Please either disable or completely uninstall the following programs to resolve the problem.
Daemon Tools, Clone CD, Alcohol 120% and some versions of Nero.
In order to play F.E.A.R you must disable the emulator from trying to circumvent the copy protection.
Below is a list of instructions for how to do this with Alcohol 120%, Clone CD and Daemon Tools:
Start Alcohol and go to the Emulation Options.
Select "Emulation" from the options tree. Uncheck the "Ignore Media
Types" box to turn off the media type emulation.
Select "Extra Emulation" from the options tree. Uncheck the "BAD Sectors
Emulation" to turn off this type of emulation, exit Alcohol 120% and
restart the game.
Look on your task bar at the bottom right of your screen (next to the
clock). Locate the CloneCD tray icon, which can be a picture of two
CD-ROMs or of a sheep?s head. Right Click on the icon and make sure
"Hide CD-R media" is un-ticked. Restart the game application.
Right Click on the Daemon Tools icon in the Task Bar.
Select the Emulation tab.
Please refer to the manual and help files of the Nero 6 software to uninstall Nero Imagedrive.
Launch Nero ImageDrive from Nero StartSmart and go into ´Expert mode´.
Go to ´Extras´ and click on "Mount a Disc Image".
When the Nero ImageDrive window opens, at the bottom left of the window there is an option to "Disable Nero Image Drive".
Also you can go to ´Start --> All Programs --> Nero --> Nero 6 --> Nero ImageDrive´ and when the Nero ImageDrive utility launches select "Disable Nero ImageDrive" from the bottom left of the window.
If the issue still remains unresolved, please see the web address below to how to send Analysis file to Securom support for further investigation: http://www.securom.c...p?msg=emulation