Don't mean to hijack the thread, but I have the exact same issue -- only with Firefox. Can't open Facebook, and just as the first user posted, the page comes up with 'page not found'.
Works fine in Safari, but I prefer to use Firefox, and don't want to jump back and forth from browser to browser...
I ended up re-installing the whole of Leopard and then those web pages worked fine... Until yesterday, where now they come up with the same error message as before and can't find the server.
What a mission it was all to re-install as well...!!
I am having the exact same problem described in the original post. I am running Leopard 10.5.1 with the latest version of Safari, and when I try to open Facebook, it very quickly brings me to a page that says Safari can't find the server. It works in Firefox though...
This is strange because up until a few hours ago Facebook never gave me any problems in Safari and never had any issues with not being able to load. Other websites work fine.
I have tried many of the solutions listed in this topic and nothing has worked. Restarting my computer only solved the problem for a minute or so and then Facebook went back to not working and giving me the same "Safari can't find the server." message.
Sorry for 3 posts in a row, but one more update...
Now in addition to the "Safari can't find the server" pages I've been getting I also sometimes get a "You are not connected to the internet" page, even though I am definitely connected to the internet as other tabs in my Safari window are working and loading fine.
I'm on a lovely MacBook that has become not so nice since I took the plunge with Leopard. Preview doesn't work properly and Macbook users are STILL waiting for a fix for that, and yesterday Leopard locked up on me for the second time and told me I must restart my computer and to hold down the power button. I NEVER had that happen in Tiger and only once in Panther - EVER!
Now Safari. I love Safari. What's going on? I'm on version 3.0.4 and I can't get most of Apple.com or Apple.com/uk to load. I sit here reading this thread but when I go to Apple.com it doesn't exist! WHAT! Earlier this afternoon I was on there! Now I just get "Safari can’t open the page" blah, blah, blah, and apparently I'm not connected to the internet. I thought only PCs lied to me. I've had Safari unexpectedly quite a few of times, too, and I've sent reports! Sadly, I'm starting to accept those random crashes as normal.
This is just not good enough. Safari is another core Apple application in OS X. EVERYBODY uses it and it's prompting mistrust. Not good at all.
Firefox opens ALL pages fine!
I hate Firefox, although it looks better in Leopard for some reason. Maybe I'll go back to the store where I faithfully handed over £85 and ask for my money back, then pirate Leopard until it works properly on my lovely MacBook. Tell me why I shouldn't? It's fair to say that I'd be trialing it until I'm satisfied. I've no intention of not paying for it. I already have. Why should I pay for something that now doesn't work when on my old OS it did? Preview and Safari were rock solid! Never missed a beat! This "upgrade" is meant to be an improvement.
Better still, perhaps I'll forget about Leopard completely until 10.6. It's only 18 months away (perhaps less) and there's nothing wrong with Tiger!
I'm becoming very disillusioned with the whole Leopard thing so I think I'll go and moan to the feedback people. This just isn't good enough!
Im having this problem too, just recently, and it seems to be getting worse. Its only been happening the last few weeks where many sites I try to go to, old and new, just stop loading. The blue progress bar hardly gets past the first word in the urls and it just stops. I hit the X and reload. Usually it clears it up but sometimes I get the server not responding page. Its getting annoying because alot of these sites I've gone to with no porblems before are now not loading. Emptied cache a few times already. Reset Safari. Tested the sites by copy and paste url into Firefox and same story. I purchased Leopard and haven't installed it yet so its not that. Any answers would be helpful
