Remko Weijnen's Blog (Remko's Blog)

About Virtualization, VDI, SBC, Application Compatibility and anything else I feel like

Archive for October, 2013

My presentation at E2EVC in Rome

imageI will be presenting a session at E2EVC in Rome next weekend.

Recently I published an article on my blog that shows how to run an executable of choice when the Citrix Receiver exits.

SNAGHTML29bc6f22In this session I will show you how to find such undocumented features in applications step by step. Using this example we will open the Citrix Receiver in Ida Pro and disassemble it.

Using public resources such as the Citrix Public Symbol Server we can analyze, understand and finally make the code more readable.

I will try to make this session not an “enter the matrix one” but one that could be considered as an intro into using Ida Pro for reverse engineering and app compat fixing.

Hope to see you all in Rome, my session is scheduled Friday November 1 from 18.30 – 19.15. There will be room for questions so feel free to take your own Crapplication™ and ask about it after the session.

See you in Rome!

I wanted to do an unattended install of the Microsoft App-V 5.0 SP1 client.

I wanted to install using the MSI’s instead of using the exe installer so I unpacked the MSI’s from the installer as documented here.

The install failed however with MSI error 1603. I activated logging but that was not very helpful since it only logged "MainEngineThread is returning 1603".

Manual install of the MSI gave a bettor error message:

Microsoft Application Virtualization (App-V) Client 5.0 Service Pack 1 x86 requries Microsoft Visual C++ 2005 Redistributable (x86) with minimum version 8.0.61001

I had already installed the MSVC++ 2005 SP1 runtime but the version was slightly lower.

Unfortunately Microsoft doesn’t publish the build numbers with their downloads so it takes some searching to determine the correct download.

Version 8.0.61001 is labeled as "Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package MFC Security Update" and can be downloaded here.

There is a similar requirement for the Microsoft Visual C++ 2010 runtime which should be at least 10.0.40219. This one is easier though because the required version is extracted together with the MSI files.

As a final note you need to set the AcceptEULA MSI property to 1 for both the client and language pack MSI or the install will fail.

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