Uninstall action not firing...

[bjaber]

I'm having no luck getting an uninstall custom action to fire.

The INSTALL custom action is:
InstallDriver.exe -install

This install action is set "After RegisterComPlus" (actually, it can exist anywhere between "After InstallFiles" and "After InstallFinalize"). The action is a "Commit Execution", Synchronous (check exit code), and always executes. The condition for this is: "VersionNT>=500 AND Installed = FALSE"

The UNINSTALL custom action is:
InstallDriver.exe -uninstall

This uninstall action is also a "Commit Execution" type and is set at the "After InstallFiles" sequence. It is also synchronous (check exit code), but the condition is "VersionNT>=500 AND Installed = TRUE". It is set to fire before the install action and is properly being skipped on a fresh install, but on an uninstall, it is not firing.

Any ideas?

--Basim

[AlaksSevugan]

Have you checked the log file that could be created to make sure that the action is being executed on uninstall?

[RobertDickau]

One issue is that MSI properties are generally not set to the values TRUE and FALSE; to see if the property Installed has a value, the condition would be just the property name:

Installed

To see if the property is undefined, the condition would be:

Not Installed

You might also find this InstallShield newsletter article useful: http://www.installshield.com/news/newsletter/0212-articles/msiconditions.asp.

[bjaber]

So would the condition statement need to be modified as follows?
(is the syntax correct?)

For install:
VersionNT>=500 AND Not Installed

For uninstall:
VersionNT>=500 AND Installed

Is this right?

[RobertDickau]

I'm the nervous type, so I'd use parentheses:

(VersionNT>=500) And (Not Installed)

but your form should work, too.

If you want to detect a complete uninstall, though, "Installed" isn't enough (it succeeds for any type of maintenance mode); perhaps see that newsletter article for tips about REMOVE="ALL" and the like...