what iam doingwrong, my site not work.

I use joomla 1.5. v 1.2.
and mobile - joomla 0.9.6

I am having a problem, after I install this mobile joomla
my site cannot work

I got a message

He page is not redirecting properly

That Firefox has detected the server is redirecting the request for this address in a way That will never complete.
Sometimes this problem can be Caused by disabling or refusing to accept
cookies.

if i want to uninstall manually
what i do, can u help me

if i need to use this Ext, i must to do what ?
thanks all

Usually redirect loops arise because of using 3rdparty sef extension or incorrect redirecting in .htaccess. Do you use sef extension or modified .htaccess file?

PS. And MJ 0.9.6 is very-very outdated.