Dolphin core not loading after move

So I built a setup to be portable with LaunchBox and RetroArch together on an external disk with 15 different platforms/cores. Everything was working perfect on my main computer but after moving the whole setup to an external disk 1 of 15 cores are not working anymore. In this case the Dolphin core is not even loading inside RetroArch. All other cores are loading and working.

I tried updating the Dolphin core but nothing changed.

How to make the Dolphin core work again please?

Get a log of you trying to load the core and then paste it onto pastebin.com and then post the link here and I/we will take a look.

Its a bit difficult for me without more instructions. I have never looked at log files in RA before. Using Windows 10.

I might add that I had trouble configure controllers on the Dolphin core before moving to external disk. So what I did before moving to ext disk was to try updating Dolphin core to see if it helped with the controllers (which it didnt). It did however download a different Dolphin core, which after a lot of experimenting I got to configure the controlls succesfully. So I kept the setup with two Dolphin cores installed.

First core was named Dolphin 0.1 I think and the second active one has a name with Dolphin-emu and some numbers behind.

https://docs.libretro.com/guides/generating-retroarch-logs/#generating-logs-in-windows

Okay,I managed to create the log file but the log txt file is completly empty. There is no info in there even if I did try to load the Dolphin core.

Now… This is even stranger…

I went to my main computer since the complete setup is still on that computer as well. Started RetroArch and try to load the Dolphin core. It loads perfect just as before.

I then took my external disk and moved it from my Intel NUC Pc in the living room and plugged it back into my main computer. Launched RetroArch from external disk on main computer. BOM… Dolphin core is loading!

So for some stupid reason it seems it only has trouble loading on my Intel NUC PC. What on earth could make that hsppen. Both computers are running Windows 10.

So since log shows empty when trying to provide a log, did anybody experience this on a HTPC like my Intel NUC?

It has a Intel Iris 6100 graphic card updated with latest drivers.

All other than Dolphin core like said before is loading.

I tried running RetroArch and changing video driver from gl to example Vulkan but that made RA not start back up at all. Had to go to config file and change it back to gl.

Still no ideas from anybody what possibly could be wrong?

Well I did finally get to pull a log with some usefull information from RetroArch that states unknown error 126 in it when loading Dolphin core. The old Dolphin core didn’t report that problem.

Googling that error code leads to Visual Studio related trouble so I installed Visual Studio 2017 fix or something refered from other forums and now Dolphin core is finally loading on my Intel NUC computer also.

My main computer probably had that installation from playing Steam games or something that automatically got installed.

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can you tell wich type of visual studio 2017 did you install? with wich plugin? thanks