Windows can't find program file

Can you find QBW32Premier[xxx].exe or a similar name? Try clicking on it.

Let's get QuickBooks Desktop opening for you again. This error typically happens when your computer's security software accidentally quarantines the file, or the program installation needs a quick repair to restore missing components.
 

First, check your antivirus or Windows Security quarantine folder to see if it blocked QuickBooks. If you find the file there, you can restore it and set an exception for it in your security settings. If the file isn't in your quarantine folder, running a repair on your installation is the most reliable next step. For more detailed steps, refer to this article: Repair your QuickBooks Desktop for Windows. 
 

Please reply back and let me know if this repair helps you successfully launch your program.