I am running IE8 & Firefox 3.0.12 on an XP SP3 PC at work. I think some program is overwriting my proxy settings. How do I figure out what that program is?
I set the proxy settings to :
proxy.domain.com port 8080
This will be overwritten at some later stage to :
localhost 8888
This problem is particularly bad for Firefox. Every time I open it the settings have been changed.
Answer
It turns out it is Fiddler that is overriding my settings. When it runs, the proxy settings are changed to use it, on port 8888. When it stops, then proxy settings are returned to normal. I must have crashed it a couple of times, leaving the settings pointing to the non-existant Fiddler proxy.
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