Let's make sure we are referencing the cells correctly. In the script view, place your cursor near "Cell1", then hold shift and click Cell1 (on the design surface, your cursor will turn into a V symbol). Repeat for Cell2.
You might try marking the file as read only in your operating system. This is usually accomplished by right clicking on the file in Windows Explorer and clicking properties.
Your JavaScript syntax was incorrect. Use the validation syntax tool in the future to avoid this. Here is a corrected version.if(TotalPoints > 234){ this.rawValue = "Exceeding Expectations";} if(TotalPoints > 179){ this.rawValue= "Meeting Expectations";} if(TotalPoints > 99){ this.rawValue= "Not Mee...