iFolder Server 3.7.2 on SLES10SP2i586

I can access iFolder server via following urls
http://ip.of.ifolder.server/ifolder
http://ip.of.ifolder.server/admin

but when I restart apache, always got the following errors

# rcapache2 restart
[Sat Dec 26 00:02:22 2009] [crit] (17)File exists: Failed to create shared memory segment for backend 'XXGLOBAL'
[Sat Dec 26 00:02:22 2009] [crit] (17)File exists: Failed to create shared memory segment for backend 'admin'
[Sat Dec 26 00:02:22 2009] [crit] (17)File exists: Failed to create shared memory segment for backend 'ifolder'
[Sat Dec 26 00:02:22 2009] [crit] (17)File exists: Failed to create shared memory segment for backend 'simias10'
Syntax OK
Shutting down httpd2 (waiting for all children to terminate) done
Starting httpd2 (worker) done

and if I try to access the
http://ip.of.iFolder.server/simias10

I got the userid/password window, and when I provide userid/password and click on OK button, got the following error page

Server Error in '/simias10' Application
Path '/simias10/' was not found.

Description: Error processing request.

Error Message: HTTP 404. System.Web.HttpException: Path '/simias10/' was not found.

Stack Trace:

System.Web.HttpException: Path '/simias10/' was not found.
at System.Web.StaticFileHandler.ProcessRequest (System.Web.HttpContext context) [0x00000]
at System.Web.HttpApplication+<>c__CompilerGenerated1 .MoveNext () [0x00000]

following rpms are installed on server

apache2-worker-2.2.3-16.18
apache2-mod_mono-1.2.6-1.suse102.novell
apache2-2.2.3-16.18
xsp-1.2.6-2.novell
mono-web-1.2.6-4.novell
mono-winforms-1.2.6-4.novell
mono-data-sqlite-1.2.6-4.novell
mono-data-1.2.6-4.novell
dbus-1-mono-0.60-33.25
mono-core-1.2.6-4.novell
mono-nunit-1.2.6-4.novell
ifolder3-enterprise-3.7.2.9089.1-0.2
ifolder-enterprise-plugins-3.7.2.9089.1-2

please help
Regards