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Solved: Facebook Certificate Error


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Weffie Weffie is offline
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17-Jul-2012, 04:24 PM #1
Solved: Facebook Certificate Error
I have been having an intermittent problem with Facebook for the past month or two, and I can't figure out how to correct it. Sometimes when I go to Facebook I get an SSL error saying that I have actually reached a server identifying itself as a248.e.akamai.net. It gives me the option to proceed anyway, but when I do I get an "Invalid URL" message. I have found other questions about Akamai and about Facebook here, but I haven't found this particular problem addressed. I usually use Google Chrome as my browser, but if the problem appears on Chrome and I go to IE9, the problem appears there also. My operating system is Windows Vista Home Basic 32 bit. Any help would be gratefully appreciated.

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17-Jul-2012, 04:40 PM #2
Did you recently replace your home router/firewall? I started having similar problems on all my PC's as soon as I replaced my router.
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17-Jul-2012, 04:44 PM #3
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17-Jul-2012, 05:28 PM #4
Gurutech, I did add a router several months ago. I don't remember if the problem started soon after I added it. Have you been able to solve the problem since you changed routers? Phantom010, that was one of the first things I tried. I thought surely that would solve my problem, but it didn't.
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17-Jul-2012, 06:04 PM #5
Click Start > Programs > Accessories > right-click on Command Prompt, select "Run as Administrator" to open a command prompt.

In the Command Prompt, type: ipconfig /flushdns

Press Enter.
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17-Jul-2012, 10:54 PM #6
I followed your instructions Phantom010. It's an intermittent problem, so I'll check back in after a couple of days and let you know if it worked. Thank you for your help!
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17-Jul-2012, 10:56 PM #7
Hope it helps.
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20-Jul-2012, 07:43 PM #8
Phantom010, I think that fixed it. The problem didn't reappear for a couple of days, and when it did I flushed DNS again. When I refreshed the web page I was able to get to Facebook. I don't know why the problem appears at all, but at least I can fix it easier than before (by logging out or restarting). Thank you for your help!
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20-Jul-2012, 07:49 PM #9
Would you happen to have a Realtek PCIe GBE Family Controller network adapter?
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20-Jul-2012, 08:14 PM #10
My network adapter is an NVIDIA nForce 10/100. I'm a little out of my depth here, but I checked under Device Manager, and that was what was listed.
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20-Jul-2012, 08:16 PM #11
We've had a few recent cases here where members couldn't connect to Facebook. After updating their Realtek network adapter drivers, they could again connect to Facebook. Perhaps updating your NVIDIA driver might help?
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20-Jul-2012, 08:20 PM #12
Oddly enough, I just did that a month or two ago. Hmmmm. Could the updates have caused the problem?
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20-Jul-2012, 08:21 PM #13
Depends on when your problem with Facebook actually started. But yes, it's possible. Drivers don't necessarily need to be updated when they're working properly. Sometimes, it can make matters worse.
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20-Jul-2012, 08:24 PM #14
I think I'll try updating it again and see what happens. I double checked, and I updated the network adapter the beginning of June. I can't remember when the Facebook problems started, and I have no way of checking that. I'll give it a try, though.
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20-Jul-2012, 08:25 PM #15
I'd be surprised if a new update would already be available. You might need to revert to your previous driver instead.
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