That’s very interesting. I had assumed the engine textures couldn’t be the issue. That’s one thing you’d really expect Epic to get right.
I’ll update the plugin to have an option to fix engine files in the next couple of days. For now, anyone should use the version from the aforementioned commit or via this link prebuilt for Windows.
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I’ve updated the GitHub, as well as uploading a new version to MEGA.
If anyone has any issues with this version, please let me know!
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Hi! First of all, thank you for all your effort, this is awesome.
Sadly is not working for me, I am getting the error “modules are missing or built with a diferent engine version”. -_-
I tryed to build with visual but is also failing.
Any idea?
Just used the Windows version. Works like a charm. Thank You 
can you update to unreal version 5.0.3, please?
I tried to compile as listed above to make it work but not managed to work that out
What’s the error you get when building with Visual Studio and what operating system are you using?
I’m not really sure why it was asking to rebuild. Let me know if this link works any better.
dont worry got it working many thanks
Hi!! thanks for your reply
I am using Windows 10 Home, x64.
I did the .sln file of my project, for visual studio, end then I built it. But when I try to launch the project in UE5, the same message “modules are missing or built with a diferent engine version” (related whit GuidFixer pluggin) is appearing O.O
I am sorry, I am not a “pro” and probably I am doing something wrong.
Thanks for your help.
Could you try updating the .sln file by right clicking the uproject and clicking “Generate Visual Studio Project files”? Maybe that would help it see the new plugins properly. I’m still a bit surprised it doesn’t give you the opportunity to rebuild when it gives you that message after launching.
If that doesn’t work, you can also try the prebuilt version I sent monkeyman1990.
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Hi!! thanks for your reply
I am using Windows 10 Home , AMD Ryzen 9 5950X 16-Core Processor 3.40 GHz, RAM 64,0 GB , x64.
I did the .sln file of my project, for visual studio, end then I built it. Then I tryed again the “build all” in UE5, but I got the same error. I am sorry, I am not a “pro” and probably I am doing something wrong.
Did you try the prebuilt version I linked above?
I’m not able to get this to work either, and as we all know on this thread, this problem is a killer. So I’m running 5.0.3 on windows 10. I’ve got the assertion texture error. I have unzipped the 1.2 and inside there are 4 folders (binaries, intermediate, resources, and source) and then ‘guidfixer.uplugin’, and ‘readme.md’. So I have copied only ‘guidfixer.uplugin’ and pasted it into the root of the plugins folder of my project. I get the build error, ‘do you want to try to build it?’ I hit yes, it says it’s unable and it crashes. I know I’ve spelled it out as though a puppy were trying to follow the instructions, but that will hopefully make sure there is no misunderstanding of some little detail. I don’t know how to compile a version, if that’s necessary. any help would be appreciated. I’m at a standstill with this project. 
You need to copy the entire folder into the Plugin folder, not just the .uplugin file.
If it gives you an error, then create the .snl file (right click on your .uproject), open it, then go on Build and rebuild it. Close it and launch UE5.
to be very specific: 1. copy the entire folder into the plugin folder - ok, to the root? or should it all be contained in another folder called what? 2. create the .snl file (do you mean .sln that others are mentioning?) this is something that pops up when you right click on the project file? “generate visual studio project files”? Does that create a .sln/.snl file? 3. then ‘open it’, do you mean open visual studio (do I even have that installed?), and ‘go on’ build, or do you mean open the project and it will ask if it should build and click yes, or do you mean open the project and use a command under the build menu (which I guess I won’t get to if the build keeps me from opening). Sorry for the drill down, but the lack of specifics leaves more questions.
- /Plugin/GuidFixer folder (or whatever you want to call it) with inside the content (.uplugin, other folders, etc.)
- Yes, .sln is the Visual Studio file that it gets created when you right-click on your .uproject
- Open it with Visual Studio. Install it if you haven’t it.
- In Visual Studio, there is a Build tab at the top. The first option is Build Solution. Wait a couple of minutes, the progress is at the bottom.
I understand it can be intimidating, but it’s quite easy once you get the hang of it 
The old build did the trick for me! I kept having stuff to fix with the newer one even after building all the levels and restarting the engine.
THANK YOU for this plugin!!
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Thank you so much David! If you have a paypal or something I would happily send ya a thank you.
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Haha I’m really glad it helped you! I appreciate your offer, but I made the plugin to fix an issue at work, so I’ve already been paid for it
Glad the old one fixed your issue. What kind of stuff did you have to fix with the newer one? Even after fixing textures and engine textures, and saving all, it didn’t fix the issues?