Phidget21.dll Can't find dependent libraries

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deltamike
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Phidget21.dll Can't find dependent libraries

Postby deltamike » Wed Oct 07, 2020 12:13 pm

I have two machines using older RFID scanners and a java applet implemented with Phidget21. One of them works perfectly, but the other throws a Java error "C:\Windows\System32\phidget21.dll: Can't find dependent libraries"

I've verified all Phidget files and folders are where they are supposed to be and even cross-referenced both PCs. I thought it might be .Net related but they are both running the same version. If anyone has any guesses as to what is going on, I would be most appreciative of input.

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mparadis
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Re: Phidget21.dll Can't find dependent libraries

Postby mparadis » Wed Oct 07, 2020 2:23 pm

Are they both using the same version of the Phidget21 libraries?

Maybe it could be a permission issue (i.e. Java doesn't have read permission on the location of the dlls?)

You can try reinstalling the Phidget libraries just in case something didn't install properly or was moved to a different location.

deltamike
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Re: Phidget21.dll Can't find dependent libraries

Postby deltamike » Tue Oct 27, 2020 7:23 am

At first the machine that isn't working was using Phidget 22 rather than Phidget 21. We then installed Phidget 21 using the same version that was on the machine that is working. When that didn't work, we reinstalled Windows from scratch and started off with just Phidget 21. Java was another thing I suspected, but as far as I'm able to tell it is permissioned to access the DLLs so I'm really scratching my head.


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