The CA does not fail....it merely sets a property.
If I make this change, the uninstall will abort before I get to the launch
condition without a meaningful message to the user.
But the CA has nothing to do with the issue. This issue exists using the
tutorial SampleFirst package where there is no CA at all. Inserting a
launch condition that fails during uninstall will display a fatal error when
uninstalled from the ARP.
On 1/26/07, Levi Wilson <[EMAIL PROTECTED]> wrote:
Did you set you try telling it NOT to ignore the return value since you
want it to fail if the condition fails, and returning the value
ERROR_INSTALL_USEREXIT from the CA when it fails?
On 1/26/07, John Lalande <[EMAIL PROTECTED]> wrote:
> I understand where they might be useful; that is why I am using one.
> But my experiments show that a failing launch condition during uninstall
> from ARP always shows the fatal error message after displaying the launch
> condition message.
>
> Which leads me to your suggestion regarding the custom action that I
> run. I have it set such that the return value is ignored. The CA is
> scheduled to run before the launch conditions and it merely sets a property
> that is evaluated in the launch conditions.
>
> As a test, I have taken out my custom action, changed the launch
> condition to fail on uninstall and I still get the fatal error.
>
> As I mentioned earlier, I also used the SampleFirst package from the
> tutorial, created a launch condition that fails on uninstall. It also
> displays a fatal error dialog when uninstalled from ARP.
>
> I can only conclude that launch conditions are not meant for
> uninstalling. But I would sure like to be proved wrong as my boss is
> putting a lot of pressure on me about this issue.
>
> John
>
> On 1/26/07, Bob Arnson <[EMAIL PROTECTED]> wrote:
> >
> > John Lalande wrote:
> > > What situations are they useful if they always show a Fatal Error
> > > dialog in ARP?
> >
> > If you determine that you need some prerequisite to successfully
> > uninstall.
> >
> > > I am thinking of replacing the uninstall launch condition with a
> > > dialog that has a Retry button allowing the user to close the
> > program
> > > and continue. Do you think that is a suitable solution?
> >
> > You can't show authored UI because ARP runs the uninstall in basic UI
> > level. I assume your objection is just to the error message? You can
> > try
> > a custom action that returns ERROR_INSTALL_USEREXIT to see if ARP
> > shows
> > a different message in that case.
> >
> > --
> > sig://boB
> > http://bobs.org
> >
> >
>
>
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