Re: ClickOnce installation fails for some customers

I have experienced some scenarios that cause trouble:
* Their firewall blocks access to .exe/.dll-files
* Their local proxy/firewall caches everything, so the .exe your
application sees is not the latest version
* Their firewall blocks HTTP Resume download-commands (not sure if
ClickOnce uses http resume, but the BITS downloader does)

In a high security environment I would guess the first one is the problem.

Rune Huseby

Thanks for your tips!

I will try all of the above suggestions. Sometimes, on a client, there is
another error appearing now:

"Deployment and application do not have matching security zones."

The user tries a couple of times, and the all of a sudden, it works, the
error disappears, even though no changes are made. Very strange!

Carl


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