I have experienced the exact same problem before. Some web sites load
fine, but other web sites do not load at all (the "Page cannot be
displayed" message appears instead).
Here is the Microsoft knowledge base article that will help you:
Error Message: The Page Cannot Be Displayed
According to that article, the problem has several possible causes:
"This behavior can occur in any of the following circumstances:
- Internet Explorer connection settings are incorrect.
- An incorrect entry exists in a Hosts file.
- The Winsock.dll, Wsock32.dll, or Wsock.vxd file is missing or
- There are multiple copies of the Winsock.dll, Wsock32.dll, or
Wsock.vxd file, or one of these files is in the wrong folder.
- Transmission Control Protocol/Internet Protocol (TCP/IP) is not
installed or is not functioning correctly.
- The WinSock2 registry key is damaged.
- The Internet Connection Sharing (ICS) installation is damaged or is
- The Rnr20.dll file is missing or damaged or the "Library Path" value
in the following registry key is missing or contains the wrong
- If you are using America Online (AOL) or CompuServe, there may be
parental control restrictions applied to the account.
- Incorrectly configured or non-functioning firewall or proxy
Please read the article to see how you can resolve the problem (there
is too much information to copy and paste here). I was able to
resolve the problem on my computer by following steps 5 and 13.
However, since your problem may have a different cause, I strongly
recommend that you go through all of the steps in order until it is
I should also mention that once you fix the problem, it may reappear
later. Several times on my computer, I fixed the problem only to have
it come back a few weeks later. Fortunately, I have not experienced
it for several months now.
I looked in my Favorites folder for the link to the article.