Who do I contact about not being able to asset my mail.The site comes up but the screen is blank? Thanks.

I find that my computer is running slow and have searched for a free registry cleaner but they all give you a little then tell you not all will be cleaned as you have to purchase the full package. I delete my browsing files and history but its no better and now i am having problems getting yahoo mail or hotmail to download my male

I was trying out McCafee Anti-Virus software, but saw BT Yahoo free software by Computer Associates, I removed the McCafee Virus software and tried to load your CA software but nothing happens! (The anti spy works & Mail Protection) I have clean my registry with PC tools and restarted my PC a number of times I have downloaded the Software form the site Numerous times But the soft ware still says "Install now" I would be most pleased to here what I am doing wrong? Just to inform you I have worked with computers for over twenty years. Therefore, I’m not a novice; you don’t have to be gentle with me. I have Zone alarms firewall install and am running XP pro (Pack 2)