JAVA

.jar window immediately closes on doubleclick

If you have previously used the right click and opened with path	oyourjavaw.exe then you will need to remove the following registry key.

[-HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerFileExts.jar]

Then run

C:>assoc .jar=jarfile
C:>ftype jarfile="C:path	oyourjavaw.exe" -jar "%1" %*