[Unanswered] Classpath Help

So i was trying to make a mod last night and i had to go to sleep so a closed all the programs i was running and the next day i tried to run minecraft i get this
"The registry refers to a nonexistent java run-time environment installation or the run time is corrupted.
The system cant find the path specified."
if any one can help please help i want to play minecraft again
-edit-
i have the most currant version of java also i dont have any code the only thing i modified was the class path and i downloaded mcp, notepad++, and java sdk i don't know if that helps anyone but PLEASE HELP I'M DESPERATE

Admin Edit: Please use correct grammar and punctuation.

Do you have JDK?
If so make sure you set the path for JDK you have look up tutorials on that.

@breakyorself what should i look up for a tutorial

okay everyone i got it fixed i just needed to add a semi colon to the end of my class path

...

classic