[Mozilla Enterprise] Upgrades with setup.exe (was Re: policies.json file deleting upon firefox upgrade)

[James M. Pulver]

I don't know how it's supposed to work, but I've never had a problem 
with it since the 3.x days.

--
James Pulver
CLASSE Computer Group
Cornell University

On 10/29/2018 11:17 PM, Andrew J. Buehler wrote:
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> On 2018-10-29 at 17:37, Felipe Gomes wrote:
> 
>> We investigated this issue on bugzilla:
>> https://bugzilla.mozilla.org/show_bug.cgi?id=1502188
>>
>> The conclusion there was that these reports were probably using
>> setup.exe to update Firefox. In short, if Firefox updates itself,
>> it keeps the distribution dir.  If someone uses setup.exe to
>> install a new version, that's called a "pave-over" install that
>> deletes that dir.
> 
> Hmm. I'm surprised to see discussion of using setup.exe to update
> Firefox; last time I remember researching the subject, IIRC the
> documentation said that installing directly over top of an existing
> install was not guaranteed to work properly.
> 
> For installs at my workplace, I have a setup in place which explicitly
> uninstalls the existing Firefox install first (using the installed
> uninstaller EXE), then installs the new one in its place (using
> setup.exe). That has some side effects in some circumstances, but is the
> most reliable solution I've managed to devise to date, and has been
> working for some years now.
> 
> Are in-place install-over installs now expected to work reliably,
> without unsupported issues?
> 
> - -- 
>    Andrew J. Buehler
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