Minecraft suddenly became unplayable due to a fatal error detected by the Java Runtime Environment. I attached 4 logs that represent the attempts at trying to play the game. The error looks something like this:
A fatal error has been detected by the Java Runtime Environment:
EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ffed930628c, pid=2752, tid=448

This may not be a JRE-specific error, as I have some Executable JAR files on my desktop that work just fine, so it's a problem with both JRE and Minecraft.
NOTE: The logs will say I am running Windows 8.1 64-bit, but I am actually running Windows 10 64-bit.