• Your Windows build number: Microsoft Windows [Version 10.0.17763.1]
• What you're doing and what's happening: (Copy&paste specific commands and their output, or include screen shots)
  Running emacs -Q from bash results in a emacs loading briefly (about 2 seconds), and then aborting with the following output:

cmccloud@DESKTOP-M2R8DJU:/mnt/c/Windows/System32$ emacs -Q
Fatal error 6: Aborted
Backtrace:
emacs[0x50ff19]
emacs[0x50fff9]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x12890)[0x7f10149d2890]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7f1013a5ee97]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7f1013a60801]
/lib/x86_64-linux-gnu/libc.so.6(+0x895e5)[0x7f1013aa95e5]
/lib/x86_64-linux-gnu/libc.so.6(+0x8992a)[0x7f1013aa992a]
/lib/x86_64-linux-gnu/libpthread.so.0(pthread_cond_wait+0x33a)[0x7f10149cdaea]
/usr/lib/x86_64-linux-gnu/libstdc++.so.6(_ZNSt18condition_variable4waitERSt11unique_lockISt5mutexE+0xc)[0x7f1009cd779c]
/usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-4.0.so.18(_ZN7bmalloc9Scavenger13threadRunLoopEv+0x117)[0x7f1017b57637]
/usr/lib/x86_64-linux-gnu/libstdc++.so.6(+0xbd57f)[0x7f1009cdd57f]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x7f10149c76db]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7f1013b4188f]
Aborted (core dumped)

• What's wrong / what should be happening instead:
  Emacs loads normally. Prior to the latest update, emacs was running perfectly fine, both stock with -Q, and with my own user configurations.