When you use Internet Explorer on your Windows XP-based
computer to try to view a Web page, you may receive an error message that is
similar to the following:
Error 501/505: Not implemented
or not supported.
Back to the top
This issue may occur if either of the following conditions
exist:
| • | A third-party product is interfering with Internet
Explorer. |
| • | The HTTP 1.1 setting is enabled. |
Back to the top
As of December 2002, HTTP 1.1 is a newer Internet protocol.
Because some Web sites use HTTP 1.0, you may have connection issues if you have
enabled HTTP 1.1.
Back to the top