When you're installing iManage Drive, the application creates log files in the %TEMP% folder. If you're facing any issues with iManage Drive installation, then you can browse to the %TEMP% folder and search for the log file that looks similar to imanagedrive_v{version}_{date}_{time}.log.
If you’re using the iManage Auto Updates, check for the log files in the following path: C:\Windows\Temp.