404 Not Found?

[Mary]

When I try to go to some websites, this pops up:

404 Not Found:
The requested URL was not found on this server.

What can I do to resolve this?

Also, when I try going to a certain website, this URL
comes up:

https://pinkpt.com:19638/webhost/rollout/site

Does anyone know what I can do to resolve this?

 

[H Leboeuf]

Rule out parasites as you have been hacked.
Dealing with Unwanted Spyware, Parasites, Toolbars and Search Engines
http://mvps.org/winhelp2002/unwanted.htm

 

[Guest]

Please, can anyone help?

 

[H Leboeuf]

When do you get this error?
If with all search engines then:

Qhosts virus/trojan, ALERT!.

http://securityresponse.symantec.com/avcenter/venc/data/trojan.qhosts.html
http://vil.nai.com/vil/content/v_100719.htm
http://www.sophos.com/virusinfo/analyses/trojqhosts1.html

Removal tools that have been used with success.
http://www.brown.edu/Facilities/CIS/Software_Services/virus/index.html
http://software.brown.edu/dist/w-cleanqhosts.html

Be sure that you install hotfix 828750 which fixes the exploit that this
virus uses:
http://www.microsoft.com/windows/ie/downloads/critical/828750/default.asp