MS Slight


Something strange about Silverlight aplicaion 3.0. When I install the main .exe file, I will be getting different size in Add/Remove Programs (15.0). When I extract it and execute the .msi and msp then the size differs (14.8).

As far as I know the size should not differ but dont know what's this ? I would appreciate if you could provide your views on it.


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Answers (3)

Posted by: anonymous_9363 13 years ago
Red Belt
Who cares?

Honestly, if it really bothers you, just install via both methods to 2 different VMs and compare them! Or
- take a 'Before' snapshot
- install via MSI/MSP
- rename the 'Uninstall' key (so that WI assumes it's not installed)
- install the via EXE
- take an 'After' snapshot
- spend many subsequent hours wondering why you bothered

I really have to wonder at what appears to be a total lack of diagnostic skills. It really isn't hard to work this stuff out.
Posted by: ramesh111k 13 years ago
Purple Belt
Hi VBscab,

I was just trying to find out "why" was that happening. Also I found that when I uninstall and reinstall the same application, the size is getting increased .

It is because of the method of guessing used by add/remove Programs to retrieve these additional data, and puts this wrong information.

Anyways, thanks for your comments. :)

Posted by: anonymous_9363 13 years ago
Red Belt
ARP doesn't guess anything. It receives its data from the costing actions in the MSI. My suspicion would be that the EXE is passing some parameter to MSIExec (if it uses it) or setting some property/feature level/whatever and then calling WI APIs which might result in a slightly different install. As before, a delta snapshot will nail that. Alternatively, you could log both installs and compare the logs.
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