Java 64 fails when using Launcher

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Caution:
This was for resolving issues with Java installs a long time ago and should never be done with current (Java 8+) Java.

Open a Command Prompt as Administrator.

CD into your C:\Windows\SysWOW64 directory.

Check for any java executables there. There shouldn't be any since the launcher isn't working.

Then type in:

mklink java.exe ..\system32\java.exe

mklink javaw.exe ..\system32\javaw.exe

mklink javaws.exe ..\system32\javaws.exe

And try the Launcher again.