install.log is created sepcifically for uninstalling. when you install a program, it'll log everything that was changed in your system, new files, reggistry settings, etc. so that it change it back later. i've also had that problem before. see if there is an INSTALL.LOG file in the program's directory. if there is, open it and see if you something unusual. if there isn't, you can always try to reinstall and see if it creates one. otherwise, you'll have to remove everything manually. usually just delete the program's folder and remove registry entries. let us know how it went