Every time i try to open or install an antivirus or virus scan my computer closes the window, help!?

It wont let me open www.norton.com or install a antivirus cd

Every time i try to open or install an antivirus or virus scan my computer closes the window, help!?norten

AVG Free is the best anti-virus out there right now. Norton is total junk, uses up a lot of system resources and you have to pay for it. Avast is another free anti-virus, which is still good, but personally I like AVG.

Every time i try to open or install an antivirus or virus scan my computer closes the window, help!?panda

Here is a simple tutorial on how to cleanup your computer. They are real basic steps, but it is a good first step to take and will often clean out 95% of the junk (such as spyware, viruses, etc) off your computer. All the tools used are free of use. Here is the link:

http://www.cleancomputerhelp.com/how-to-...
ok .. first u have to scan ur computer in safe mode go start%26gt;run and type msconfig then choose diagnostic from the general box and restart ur computer scan it with antivirus and antispyware and do all over again but choose normal instead of diagnostic ....

BUT u say u r not be able to download antivirus i geuss the only way to do that is to download it from some body's else computer and burne it on CD then put ur computer on safe mode and install it then run it .....
well it could be you are infected with quite a nasty virus.