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I should have mentioned this problem is in Netbeans 7.4.
When I installed Netbeans 8.0, there is an easy way to option away from the problem.

I don't understand that. If I Start, (search) java.exe, the results are presented in 3 groups:
Programs (1) java.exe in Windows\System32
Documents(40)
File(28)
Similar results on both PC and...

When Services, Databases, Java DB, Start Server is clicked, this msg appears:
access denied ("java.net.SocketPermission" "localhost:1527" "listen,resolve")

This has been reported as a bug...

If I understand your question that relates to the original Java, I provided this above:
Laptop commandline in register:
@="\"C:\\Program Files (x86)\\Java\\jre7\\bin\\javaw.exe\" -jar \"%1\" %*"...

Good news!
When I saw the "jarfile" entry in register I wondered about the folder: Program files (x86).
I confirmed that Java did reside in that folder for older 32-bit applications.
I...

I exported the [HKEY_CLASSES_ROOT\jarfile\shell\open\command], and they’re identical except for the main folder:
PC
@="\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"%1\" %*"
Laptop ...

Not sure what you mean. I've already said it works in Command Prompt. Users should not have to use the Command Prompt!

Norm:
I copied another (simpler) application jar file to my laptop. I do not have a Java IDE on the laptop. I’m using it to represent a “user”.
But it shows the same pattern as AnotherGrep: a...

Thanks for your help. This sounds way over my head.
How does the OS act differently when it opens the same jar when running in 2 different places?
Both computers have Windows 7 with current...

PC Command Prompt
cd to \dist\AnotherGrep.jar.
java -jar AnotherGrep.jar
Application appears OK

PC Windows Explorer, select dist\AnotherGrep.jar
Open with Java Platform SE binary;...

I made the demo "AnotherGrep" and it works OK in my PC.
(netbeans.org/kb/articles/javease-deploy.html")

But when I zipped and unzipped it (using Winrar) to a laptop, it runs briefly in black...