Here are some software tools you can use to protect your affiliate links from getting hijacked. Unfortunately once an affiliate link is hijacked by a bum your cookie is then overwritten with theirs permanently. Therefore, it is important to always make sure you protect your own PC from spyware/adware and utilize a link encryption tool to maximize and protect your hard earned leads/profits.
*Here are some of the more popular tools in no particular order. There are probably dozens more though.
http://powerlinkgenerator.com
http://www.simplelinkmanager.com
http://www.marketersdream.com/affbooster/
http://www.covertlinks.com/
http://www.novasoft-inc.com/products...te-profits.asp
http://www.smithfam.com/wtk/Affiliat...der/index.html
http://superaffiliatelinkmanager.com/