Hi Harshal,
unfortunately we are not windows experts. I did find this in a google search:
http://answers.microsoft.com/en-us/windows/forum/windows_7-security/how-do-i-share-programs-with-all-users/d719cd07-873d-46db-8bea-f469c99f34e9
I hope that might help you change the program permissions.
Best Regards,
Lisa