Safari "Failed to open page" errors

Same thing is happening to me, on several macs with the latest version of Safari (and Snow Leopard).. pages load normally and all of a sudden Safari (or the OS?) makes no more contact with servers.. remedy is restarting Safari.
A similar thing happens with Mail and Skype.

Actually it just happened now! for the second time in 5 minutes.

In the past week or two I have noticed this same message on tabs, but the page IS there and IS visible... it's just that every tab suddenly says "Failed to open page", and no matter how many times I refresh the page, the name does not return to the tab.

What's more, the problem comes and goes, and I cannot relate it to anything else I'm doing.
Very peculiar and it slows me down immensely since I cannot find a page by its tab name.

If your Safari won't open, one or more of the following procedures should fix it:



1. Go to Home/Library/Safari/ folder and remove the following two files:

¥ history.plist
¥ lastsession.plist

(Safari may not load properly If these two files are corrupted.)

2. Go to Home/Library/Caches/Metadata/Safari/ and remove the contents of that folder.

(These are just webhistory files and are not required for Safari to run. However, similar to preference files, problems can arise if they have become corrupt.)

3. Locate the cookies.plist file that's located in the Home/Library/Cookies/ folder and remove it.

(Again, faults in stored cookies may interfere with Safari's launch.)

4. Check whether any of your third-party internet plug-ins may be interfering with the launch of Safari by carefully moving them to the desktop (do NOT delete them at this stage). You can find these in two places:

Home/Library/Internet Plug-Ins/ folder, and Global plug-ins are located in the Macintosh HD/Library/Internet Plug-ins/ folder.

Also look in Library/Input Managers where other third party add-ons may lurk. If you find a SIMBL folder, please note that some SIMBLE.bundles may require updating or possibly removal.

Restart Safari and place them back in the correct folders, one at a time, closing and re-opening Safari each time. If you discover that one of them was causing the problem with launching Safari, trash it and download and install a fresh copy.

Good thing I have my trusty Windows 7 machine to count on when researching problems with my shiny new mac.

Oh, and the only problem I had on my Windows 7 machine was connecting to this forum.

Lovely.

Is this what I have to look forward to?