Executable Jar files can't be run without command line

Hello,
A few months ago, I was messing with some executable jar files, but now I can't run them anymore without a batch file or command line, so how do I fix this?
Thanks in advance,
Yves W.
Edited by: Yves W on 18-dec-2010 15:56

Open a command prompt.
Type
assoc .jarYou should get:
.jar=jarfileIf not, type:
assoc .jar=jarfileNow type:
ftype jarfileYou should get something like this (adjust the path to javaw.exe for your system):
jarfile="C:\Program Files\Java\jre6\bin\javaw.exe" -jar "%1" %*If not, type (adjust the path to javaw.exe for your system):
ftype jarfile="C:\Program Files\Java\jre6\bin\javaw.exe" -jar "%1" %*

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    Message was edited by:
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