Damaged or Corrupt File Message

The error we hear about occasionally is a dialog box that says, “Sorry, an error has occurred. The application could not be installed because the installer file is damaged. Try obtaining a new installer file from the application author.” In … Continued

Error #5100 when Trying to Install Program.

This is generally the result of an anti-virus program trying to be helpful. One of the largest “offenders” is BitDefender. Your best bet is to temporarily turn it off following these instructions. https://www.bitdefender.com/consumer/support/answer/3347/ Search Keywords:5100,bitdefender,mcafee,anti virus,antivirus,installation,installation error,installation problem

Program Downloads as Zip File

The most likely cause of this is that you used Internet Explorer to download the setup file. The setup file should have an extension of *.air but IE changes the extension at times to *.zip. You have two choices to … Continued

Installing Program on Multiple Computers

You are welcome to have the program installed on up to 3 computers simultaneously. If you want to move one of those installations to a different computer, you can also do that. If you already have the program installed on … Continued

Certificate problem during Installation

Code Signing Certificate Warning On occasion, we update the code signing certificate for Diamond Scheduler 7. Code signing assures you that a download from the web is from a trusted source. What will Happen? If you have an earlier version of Diamond Scheduler, … Continued

Installing Diamond Scheduler 7

Installing Diamond Scheduler 7 on Your Computer (Mac or Windows) You should have received an email with some instructions. That email might be in your SPAM folder. In short, it says: Thank you for your downloading Diamond Scheduler. The information … Continued