The Windows 10 Edition is made using the Universal Windows Platform system; it's extremely difficult to mod, compared to Java edition.
As such, Forge is only developed for Java Edition.
In your %APPDATA%/.minecraft/logs folder, there's a file called debug.log, and another called latest.log.
Paste them both into pastebin and send us the link it generates.
Both of those logs indicate that no problem has occured whatsoever...
I'm genuinely stumped, so i'll stand back and let someone else figure it out now that the proper information is there.
You open the log, CONTROL-A to select all the text, copy the text from the log file,
Then go into the large text box in pastebin, paste the log into it,
Then hit "save" at the bottom, and copy-paste the new URL into here.
Unfortunately, you've only told me where those files are on your computer.
The forum is a little weird compared to others, which is why i asked for you to upload them to pastebin.com
I meant the config folder at the root of the installation, just above where the world folder is.
If that fails, try the serverconfig folder, in the world folder.
Unfortunately we can't help without the crash log information.
What we have now, is like going to the doctor and saying "Doc, it hurts."
You should have a latest.log and a debug.log file in the %APPDATA%/.minecraft/logs folder.
Upload them to a paste site like pastebin.com, and send us the link it creates.
Right now, we can't.
All of the mappings for 1.16 are being made by hand, because the system we used to use has acquired far too much tech debt.
There's a new system on the way, it's called the Mod Mapping Management System, or MMMS for short.
You can keep an eye on its development here: https://github.com/ModMappings/