Vista Browsing Website The page that appears on this page cannot be displayed.

Symptoms

You try to open certain websites in a web browser on a Windows Vista-based computer. However, you may experience slow Internet connection problems and you may receive the following error message:

This page cannot be displayed.

Solutions

To resolve this issue, disable the TCP autotune feature. To do this, follow these steps:

1. Log in to the computer as a user with administrative privileges.

2. Click Start, type
runas/user:local_Computer_Name\\administratorcmd in the Start Search box, and press Enter.

3. When prompted for an administrator account password, type the administrator account password and press Enter.

4. Type the following command at the command prompt, netshinttcpsetglobalautotuninglevel=disabled, and press Enter.

5. After successfully running the command, type exit at the command prompt and press Enter.

6. Restart your computer.

7. After logging in to the computer, try to visit a website.