i have successfully install ifolder on opensuse 11.3

i can able to login from some user but some user unable to login even from same pc from where i successfully login previously

eg. user :sunil" with password "qazxsw" is able to login
user "shraddha" with password "qazxsw" is not able to login

when i try to acess http://server-ip/simias10/ from user sunil it's get login and show me

Server Error in '/simias10' Application


The resource cannot be found.
Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly.

Requested URL: /simias10/

Version information: Mono Runtime Version: 2.6.4 (tarball Mon Jul 5 13:23:55 UTC 2010); ASP.NET Version: 2.0.50727.1433
but when i try to login from user shraddha it's keep asking me password again and again

my server info

Opensuse 11.3 i386 2.6.34-12-desktop