At random times I am unable to change the proxy settings on my laptop. I pull up the options menu in IE, or through 'run', and go to the 'connections' tab, choose the 'lan settings' option and then change from 'automatically detect settings' to 'automatic
configuration script' or vice versa. Most of the time it works fine but sometimes, while it will let me change which option is selected in that window, once I click the 'ok' button and the window closes, the proxy settings revert back to my old settings and
there is nothing I can do to change the settings for a while. I need to change the settings because at work I need to specify a configuration script or proxy server to connect to the internet but at home I do not.
c) Right Click on Internet Settings and select Permissions.
d) Ensure that your user profile has full control.
Note: Important this section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these
steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article
in the Microsoft Knowledge Base: http://windows.microsoft.com/en-US/windows7/Back-up-the-registry
I would suggest you to Reset Internet Explorer settings and check if it helps.
Note: The Reset Internet Explorer Settings feature might reset security settings or privacy settings that you added to the list of Trusted Sites. The Reset Internet Explorer Settings feature might also reset parental control settings. We recommend that you
note these sites before you use the Reset Internet Explorer Settings feature.