Why does Yahoo Search constantly return "Unable to process request at this time -- error 999&qu

I get this error 90% of the time I try to use Yahoo as a search engine. I've tried everything. I have plenty of anti-virus protection. I have run Spybot Search and Destroy.

I have no clue what is causing this error.

On a similar note, I am having problems logging into the official World of Warcraft forums. It doesn't want to accept my username and password when I log in. It doesn't tell me it's incorrect, just takes me directly back to the login screen.

Both of these problems are on my home computer only. I just built this machine less than 2 months ago. Everything is up to date. My virus protect hasn't found anything. The only downloads made by this computer have been from download.com and WoW patches. (Respectable sources)

PLEASE help!

Thanks in advance

Why does Yahoo Search constantly return "Unable to process request at this time -- error 999"?free anti virus

It happens to me to sometimes when i answer a question.

I run Linux and know there is no malware in my system.

It happens sometimes when i post this URL: http://www.geocities.com/coolno74/AntiVi...

Yahoo has a problem.

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Try a online antivirus scanner and a online anti-adware/malware/spyware scanner in safe mode with network to clean up your computer BEFORE you download anything. This because the program you download can get infected.