windows 7 x64 - scala bash applet not found when compiling -

i downloaded scala here: http://www.scala-lang.org/download/ , added c:\program files (x86)\scala\bin path variable.
working scala plugin eclipse, install new software, video here says: http://scala-ide.org/download/current.html
working in windows 7 64bit.

i trying run simple object called helloworld, according tutorial: http://www.scala-lang.org/docu/files/scalatutorial.pdf . object has following code:

object helloworld {     def main(args: array[string]) {          println("hello, world!")     } } 

when commit scalac helloworld.scala, in mobaxterm prints bash: applet not found.

i saw similar problem gradle (bash: applet not found when running gradle in mobaxterm), solution seems irrelevant,as gradle has totally different files in it's installation directory.

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edit:
misunderstood solution in attached link, thought env.exe , busybox.exe files of gradle, still, before making irreversible changes, want ask:
should if cannot find file env.exe in file system, env, it's file type "system file" , in appdata/local/temp... , busybox.exe exists in appdata/local/temp... (or in folders don't have permission access to). think it's not solution offered in attached link (since these temporary files), maybe wrong.

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thanks