Which browser are you using and if Internet Explorer, which version? Have you already updated to IE 6 SP1? If not, please do. ARe you using AOL? Have you tried clearing the AOL browser cache or the Temporary Internet Files folder?
It's possible that you're particular home page is having problems or maybe you're using a HOSTS file which is blocking the page??. Have you tried changing the home page to something else?
Next, it might be a good idea to run one , or both of the free online antivirus scanners below. (The Panda link takes a lot longer to run but it does a good job of scanning.):
Housecall Online Scanner
Panda Online Scanner
In addition, please download, install, update, then run the free spyware removal tools below:
I have windows 98. Everytime I try to get my homepage, I get a message saying action cancelled. Also, in the address bar it reads ows/system/shdoclc.dll/navacancel.htm