I cannot register with my License Key

######## Invoice date: 3/28/2015

Name: J.S.

License Key: ###########

whenever I go and try to register with the license above,I get a sound like DUNNNGGG and a RED X , everytime!!

I had the free version and wanted the better one, but now im confused, this is so aggravating,,I PAID FOR SOMETHING I CANNOT EVEN USE!!

I tried emailing the company for help, but Im not that computer saavy.. I NEED EASY DIRECTIONS

Thank you in ADVANCE,

SANDELL

Have a look here

http://www.piriform.com/support/ccleaner#204043844

If no help there use this page to contact Piriform

https://www.piriform.com/contact