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please help

6 posts

akumaaijou#

please help

i am very new to nsis and installers at all. and all i can say: nsis is great!

but i have a little problem
i want to check if jre is installed on the computer and my code looks like this: 


;Installer Sections



  Section "JRE 1.4.1 (required)" SecJRE



		ClearErrors

		ReadRegStr $1 HKLM "SOFTWARE\JavaSoft\Java Runtime Enviroment" "CurrentVersion"

		IfErrors install keep



		keep:

		   MessageBox MB_YESNO|MB_ICONQUESTION|MB_DEFBUTTON1 "JRE detected. Keep installed version?" IDYES skip IDNO install



		install:

	    	   SectionIn 1 2 3 4 5

		   SetOutPath $INSTDIR\jre

		   File /r \\lnzp103a\projekte\temppo\tools\j2sdk1.4.1\jre\*.*

		   StrCpy $0 '-Dsun.java2d.noddraw -Djava.util.logging.config.file=logging.properties'

		   ;Uninstaller

		   WriteUninstaller uninst-temppo.exe



		skip:

  SectionEnd
i can compile the script without any problems, but it doesn't show the message box even though i have jre on my computer
does anybody know why?
thank you!
akumaaijou#
hm?!

sorry to bother you again, but i have a problem.
i've jre installed on my computer (yes - i'm sure about that 😉 ) but


ReadRegStr $1 HKLM "SOFTWARE\JavaSoft\Java Runtime Enviroment" "CurrentVersion"

MessageBox MB_OK "$1"
returns an empty string.... *wonder*
kichik#
I don't have this key in my registry and I have JRE installed. Use regedit to make sure you're trying to read the right key.