Reason Demo.exe is part of a product called known as Reason 5.0.1 and the developer is Propellerhead Software AB .
If you think that this file contains a virus or another malware, please download a virus scanner.
If Reason Demo.exe is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select Reason 5.0.1 from the list to remove the process Reason Demo.exe from your computer.
If you have any problems with Reason Demo.exe, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting Propellerhead Software AB, the developer of Reason Demo.exe and ask for more information.