Browsers will not open some sites!

[Mr. Clean]

This one has me banging my head! I am not able to open certain web sites from Safari, Fire Fox or G Chrome. But I can if I do it within Parallels...

Can someone help with this? I have done a search on this forum, but have come up empty.

I rely need to do some work using the web site that I cannot open. Help

 

[Gregg2]

Browser versions too old?

OS too old?

Corrupt cookies?

Corrupt cache?

Corrupt browsers?

Strange coincidence?

What sites??

 

[Mr. Clean]

Browser versions too old?

OS too old?

Corrupt cookies?

Corrupt cache?

Corrupt browsers?

Strange coincidence?

What sites??

www.vbulletin.com is the site that I cannot open, I find it funny that none of my browsers will open it, but I can on the same Mac using Parallels.

 

[Mr. Clean]

WOW!!!!! Found the problem, PeerGuardian!

Just inn case anyone else has this issue.