Proxy.pac - does not see the proxy?

Question

Computer networks

Hello, it's Win10 with the latest update.
There are two proxies.
I used to make a PAC file,
For example:
function FindProxyForURL(url, host)
{
return "PROXY 194.190.251.19:8080";
}
registered C:\proxy.pac - everything worked before. Now he does not perceive a proxy at all. What could be?
There is a proxy to register directly, then everything works, but not through pac.

Answer 1

1) Have you checked your browser settings?
2) With DNS, WPAD everything is fine?
If yes, then: https://securelist.ru/pac-fajl-avtokonfiguratsii-p...
Maybe you will find the answer to your question.

Answer 2

Chrome browser, or based on it? Chrome has disabled the ability to load PAC files from disk: https://bugs.chromium.org/p/chromium/issues/detail...