Change software settings for me

Hello, This is what i need and a short story: We sell gaming licences on ebay, which will be sent via Email to our customers. This happens automatically by an unique software which has been made especially for us. This was a start up company with only 1 guy, he made a really great work, but he has no time right now to make some changes. I'm looking for someone who can make some changes, those can be made within 1-2 days. Its not a big deal for someone who knows how to do it. The problems. 1. We have changed our name, but the software shows the licence on the old page, you have to force the software to the new homepage. 2. and another simple problem, i have several domains, all domains are working from the same server. the problem right now is, im getting forwarded to the old page, even if i type in the new domain onto the browser. I think this is a problem of the htaccess or something else, its also not a big deal if you are an expert. More to point 1: Its not required to write a new software or new codes, you just have to replace somewhere the domainnames probably. So because everything is not a big deal, i wont hire companies who wants too much money. If you can solve everything within 1 or 2 days, i'm sure you are going to get more jobs from me. Sorry, my english is not the best, but i think its good enough to understand my issue ;)