I am getting problem while installing OD. After installing admin server it asks to install CSF when I click on next it gives me screen saying that "installer detected CSf service and it will upgrade it" and when i click next i get the error "Cannot determine current product version upgrade is impossible"Previously i jave install OD in E: drive and it was working fine but according to my requirement i ned it in C: drive so now it sgiving the above problem. i have uninstall it properly deleted all the folders and registry but still gettign problem. I tried to stop all the services and install that is also working. Please help what i should do. Its very urgent.