Hi Kinjal,
can you please provide few details...
1) On which port you have installed your CRM ???
2) Have you experienced any error messages while installing CRM ??
3) On Which APP pool CRM is Runing ??? ( Must Run on CRM App Pool )
4) What is the error log report ??
Try this.......
Try to apply CRM Repair and try to install the CRM on 5555 or 80 port's !!
Vinay Kumar VINNU.