on launch it "cant find the java runtime"

when launching it "cant find the java runtime"

Error details: The system cannot find the path specified
Filename on disk: javaw.exe
Path: C:/Program Files (x86)\Minecraft\runtime\jre-x64\1.8.0_25\bin\javaw.exe
Exists: false

also affects mc forge 1.12.2 but nothing before it