Researchers have uncovered a massive campaign that delivered proxy server apps to at least 400,000 Windows systems. The devices act as residential exit nodes without users' consent and a company is ...

Struggling with Microsoft Teams proxy error on Windows 10? Discover step-by-step fixes to resolve proxy authentication issues, connection failures, and more. Get Teams running smoothly in minutes with ...

If you're using a MS Proxy that uses NTLM authentication you're pretty much screwed, I believe. This has been discussed before so try searching a bit, but I don't think a solution was ever found.