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I've made an application in C# . it's a WPF application with SDF DB. I have VS2008 express. I published my application (with SQL-CE dll) and installed it on my computer (I have windows XP) and on another WinXP computer and it worked fine. I sent the same files to 2 people with windows 7. the first one couldn't install the application - she got an error message like "cannot download the application [...] missing required files [...]". the second one (window 7 with 64 bit) installed it but she could see only the main screen (that doesn't require DB) but after she tried to go to another screen - the application crashed and there was an error message that told her that maybe the application wasn't installed correctly (I have a screenshot but it's in hebrew).

What do I have to do to make the application work on windows7?

JasonMArcher
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TamarG
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  • You have to test it in machines with win 7 x32 and x64 and isolate the issue. I would bet that the SqlCE dll should be x64 for the 64 bit windows. You should not just include the dll but handle this as setup prerequisite in the setup project. – Davide Piras Nov 02 '11 at 07:42
  • You CAN just include the DLL files, in special subfolders. – ErikEJ Nov 02 '11 at 08:39

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