When I try to launch minecraft, it cannot locate the java runtime

ERROR CODE:

Unable to locate the Java runtime.
Error details: The filename, directory name, or volume label syntax is incorrect
Filename on disk: javaw.exe
Path: H:\Games\Minecraft\runtime\jre-x64\1.8.0_25\bin\javaw.exe
Exists: file

I have the minecraft application in H:\Games\Minecraft