This is an which usually occur during the installation of Siebel Client in XP/WIN Server 2003. While installing the client siebel Opens up your default browser and requests you to close it. Even if you close the the browser if you find the installation is showing no progress, and seems to be a installer hang when it is around 92% of the setup be sure that a windows "Process" is blocking the installation. To take a closer look you can refer the installation log but it wont be fruitful.
The solution to this issue is open the "Task Manager" move to process tab, select "regserver32" click End Process button. Now you have done it !!! Now you can see that Installer completes by itself.
The solution to this issue is open the "Task Manager" move to process tab, select "regserver32" click End Process button. Now you have done it !!! Now you can see that Installer completes by itself.