I also have this message pop up every time I start QB's.  I called the number listed after I rebuilt the file and it came back.  The guy that answered the phone wanted me to open a browser to LogMeIn123.com and give him control of my computer.  I quickly hung up on him and got out of my browser.  I the contacted QB's support and they called me back quickly. They said that they don't take control of your computer like that anymore.  I spent 2.5 hrs on the phone with QB's support trying to fix the problem to no avail.  They said that there was no problem with my file or program. They have now escalated the problem to a different department. They said it might take 3 business days to research it!  Every time I push the close button on the pop-up warning it closes QB's. Any ideas?