Device and software version information：
T Series Storage, the operating system on the application sever is: Windows Server 2003 Enterprise X86 Edition
The installation was terminated when the progress is 90%：
1. Go to 'Start > Administrator tools > Service'
2. Disable all Oracle related service, such as OracleCSService.
3. Install UltraPath again.
4. Enable the service manuallly after UltraPath installation finished.
OracleCSService will take the system lock when the service is starting, so that will lead to other process can't get system lock and process will be terminated.
Please disable Oracle related service first before installation or uninstallation.