501/505 error message with Windows 7

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brownpanda

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Aug 2, 2010
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Hi, this is, I think, new. I can't find anything on this and all 501/505 message posts are related to Windows XP not 7. But, I have a 501/505 error message in my Windows 7. Funny thing, it is a problem with all my browsers (IE and Firefox) and I cannot access any website with the www. prefix. Urls without this prefix works fine. The only thing I can think of is that I downloaded and installed a Java update yesterday. Did this cause the 501/505 error problem? I also tried following the steps recommended by Microsoft for XP (http://support.microsoft.com/kb/811262). No joy. Is this a virus? Help.
 

LagunaGTO

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Joined
Jan 27, 2011
Messages
139
The website is unable to display the webpage (HTTP 501 or 505)
Error 501 (HTTP 501 - Not Implemented) means that the website you're visiting isn't set up to display the content your browser is requesting. For example, the browser is asking for a file with a video extension (.AVI), but is telling the website it's looking for an HTML page.
Error 505 (HTTP 505 - Version Not Supported) means the website doesn't support the version of the HTTP protocol your browser uses to request the webpage (HTTP/1.1 being the most common).
What versions of your browsers are you running? Does this happen to www.google.com?

  • Close all your browsers
  • Open a command prompt and type in netsh winsock reset
  • and then ipconfig /flushdns
  • and then ipconfig /release
  • and then ipconfig/renew
NOTE: It is very important you do them in that order.
 
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