links stopped working

I’m interested in your product nopc 1.4 ..I tried previous versions..after a month of hosting your solution to my site..all links stopped working..i wanna know what happened .I changed powerby and copy right notice..
Can you plz tell me how to solve this problem..

What links stopped working?
What modifications have you done?

I changed CopyRightNotice & Powerd By..also,I changed them to support RTL..

I purchased for copyright notice for one of my domains palemart.net nopcom accessed from another domain palemrt.com...
I reset all files & db .. the problem is "none of products & cats links work well" .when I click link it goes to page not found..

Hi, did you get a resolution to this? I am getting the same thing!

yes man.this cause of Main Market currency.restore default currency..