My internet has been a bit glitchy lately - many sites initially show "Cannot find server" errors, but upon refreshing, load just fine. It's done this before for a day or two and then cleared up. However, there is one site that continues to give me a "Cannot find server" error in both Firefox (3.0.1) and IE7. The weird thing is that it only does this on my computer; on two other computers using the same wireless network, it loads fine.
The site is subdomain of potsdam.edu; a student site, I believe. However, the entire potsdam.edu domain will not load in any browser on my computer, though it does on both of my family's other machines. I can reach the site through a proxy; however, there's a file I need to download at the site, which the proxy I used wouldn't allow. I suppose I can just download the file on a different computer and transfer it to mine, but I'm very curious as to why this one site doesn't work.
I initially assumed the site was just down, and that the other glitchiness was simply my ISP, which is often slow and unreliable, or my router. However, since I realized it was only my computer, I assume it must be something to do with my settings or caches or something. Other people's issues I've found while Googling seemed to be fixed by flushing the cache, but mine was not. Many were also assumed to be connection issues involving their ISP, but since the other two computer who have no problems are using the same network, that manifestly can't be the case.
I have made no major changes to my computer in the last few days; I think Firefox updated itself to 3.0.1, but I believe the internet was fine for a few days after that. The only program I have installed was my brother's Sims game, which shouldn't affect the internet.
-Windows Vista Home Premium SP1
-Firefox 3.0.1 & Internet Explorer 7.0.6001.18000
-Roadrunner Turbo & Linksys router
-No firewalls (Windows Firewall is off) and no specific Internet malware-scanning programs enabled. I think Windows Defender is running, though it's not in the system tray, and Norton 360 is running because I'm not sure how to disable it, but I don't think it interferes with Internet browsing.
Things I have tried:
-Rebooting my computer
-Flushing Windows DNS
-CTRL + Refresh to override cache
-Clearing browser caches
-Running Firefox in Safe Mode
-Checked host file (normal)
-Pinging potsdam.edu (Could not find host)
-Running a traceroute to potsdam.edu (Unable to resolve target system name)
Anyone have any other ideas? I suppose it's not urgent, but I am concerned there might be other sites that it will do this on. It seems my computer is simply stubbornly refusing to admit that this site exists.
Thanks in advance!
EDIT I've found another site that is doing the same thing, the website of author Lauren Willig. This is more unusual, because I visit it on at least a weekly basis. The potsdam.edu site I had never visited before the last two days, but this one has worked in the past. I believe the last time I visited was around the middle of last week or maybe a little before. At least that's the last time it loaded. I thought it had simply been down the last few days, as it has in the past (or maybe not--perhaps it was just my computer then too), but then I thought to try it on a different computer, where it works fine.
Edited by Loramir, 29 September 2008 - 11:49 PM.