General Category > General Discussion
FSDT Installer Not Loading
virtuali:
--- Quote from: ChrzOC on September 03, 2025, 11:54:19 am ---Looks like the updater executable is built with the classic .NET 4.8.x Framework, per the Fault data. I have the 8.0.15 .NET Core installed though, which obviously has portability/backward compatability with classic framework apps. (see attached)never had an issue before.
--- End quote ---
Yes, the updater is built with the 4.8 runtime, so your problem might be you ONLY have the 8.x core installed and nothing else, because if I check my installed runtimes, I have many of them, in multiple versions, like Microsoft.WindowsDesktop.App, which is in addition to the Microsoft.NETCore.App, so maybe you only need to install the missing ones.
ChrzOC:
The 8.x core has the 4.0x framework portability built into it.
MS switched from the framework to the core to be able to make CLR/CLI binaries portable between OS's and platforms and not windows exclusive.
Nevertheless, I have already validated this issue on another machine running the deprecated 4.x framework SxS with the 8.x core.
Haven't been able to launch the installer UI for 2 months.
virtuali:
--- Quote from: ChrzOC on September 19, 2025, 12:44:49 am ---The 8.x core has the 4.0x framework portability built into it.
--- End quote ---
Of course, but that doesn't automatically guarantee that *every* 4.x app will work, so you might need to install the "real" 4.0x .NET runtime anyway.
avio:
--- Quote from: virtuali on September 23, 2025, 09:53:01 am ---
--- Quote from: ChrzOC on September 19, 2025, 12:44:49 am ---The 8.x core has the 4.0x framework portability built into it.
--- End quote ---
Of course, but that doesn't automatically guarantee that *every* 4.x app will work, so you might need to install the "real" 4.0x .NET runtime anyway.
--- End quote ---
When attempting to install Framework 4.0, Windows displays the message ‘Already exists’.
virtuali:
--- Quote from: avio on September 27, 2025, 03:36:28 pm ---When attempting to install Framework 4.0, Windows displays the message ‘Already exists’.
--- End quote ---
I don't know what to say, other than it's clearly an issue of your .NET installation-
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