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il76
Level 3

Dependencies discovery issues

Hi,

I an having very strange issues with IS LE in VS 2012:
1. In one of the projects dependencies are discovered OK when I start VS, but after some time using it it may start reporting "ISEXP : warning : -6248: Could not find dependent file ..., or one of its dependencies of component ....Primary_output". If I restart VS, this message disappears
2. One of the IS projects reports this -6248 warning on Microsoft.CSharp.dll file
3. I have two WinForms projects in same solutions, when I add one of them to IS project, it works fine. When I add another one, I get lot of -6248 warnings on class library projects in the same solutions and on some 3-rd party assemblies from GAC (these class libs and assemblies from GAC were working fine in first EXE project)
4. Another IS install project produces several -6248 warnings, but resulting installer package contains all needed assemblies, including the ones that were mentioned in warnings.

Questions:
1. WTF is going on?
2. How to fix or at least to diagnose this?

I googled lots of links, but most of them were old and others are unanswered.
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