java - Enter Mutex error for Launch4J -


what following error in launch4j while converting jar file exe: 

enter mutex name?

i using version 3.8 of launch4j. comment if want me elaborate.

if chose mutex, allow 1 instance of application.

you can chose random mutex name, example: abcmutex0

without mutex:

withoutmutex

with mutex:

withmutex

if error enter mutex name?, may have tick "allow single instance of application" haven't enter mutex name.

it question?


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