conflict between 2 versions of crystal reports

i used to have a .net application developed with the help of visual studio 2005 (.net version 2) and the in-built crystal reports version 10.2.3600.0

now on the same server i installed another application with the help of visual studio 2008 (.net version 3.5) and the in-built crystal reports version 10.5.3700.0

ever since i did this, the older web app doesnt display the crystal report; it gives me the following message "Load report failed"
to solve this error, i need to restart the webserver after which, the older app runs fine for some time till giving me the same error message

all this while, the new webapp runs completely fine

anyone knows whats going wrong and how i can solve it?
LVL 2
RakeshBhandariAsked:
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BawerCommented:
look for some service related to crystal report if any ..
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RakeshBhandariAuthor Commented:
what do you mean?
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mlmccCommented:
Have you tried uninstalling and then reinstalling the VS2005 Crystal application?

mlmcc
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RakeshBhandariAuthor Commented:
no
but at this point i think upgrading my old vs2005 app to vs2008 app would be a better option

do you think upgrading would help me?
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BawerCommented:
ofcourse in any case upgrades are better options...
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mlmccCommented:
I would think getting to a single version of Crystal and VS would resolve conflict issues?

I suggested reinstalling because in some cases with the full version of Crystal reinstalling the lower version resets some things so the lower version now works.

mlmcc
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RakeshBhandariAuthor Commented:
converting all solutions to one version of crystal did solve my problem
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RakeshBhandariAuthor Commented:
thanks!
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