Multiple Programs – IMSTART.EXE
We found multiple programs using files called imstart.exe.
Most commonly, imstart.exe will appear in a folder called c:\Program Files\InterMute. This file is used to start AdSubtract, SpamSubtract, and SpySubtract by Intermute software. An online support forum and handy FAQ can be found at http://www.intermute.com/support.html.
A file called imstart may appear in c:\Program Files\Netease\popo\. This instance of the file installs with the NetEase Internet Service Provider. More info and support can be found at http://neteze.com/support/support_req_pop.asp
Least commonly, a file called imstart may appear in c:\OS2. This instance of file installs as part of IBM's OS/2 operating system. More info on OS/2 can be found at http://www-306.ibm.com/software/os/warp/.
Safe