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Error Message "Runtime Error 91"

I just got an error message that had "Runtime Error 91" on it.  What went wrong?
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Solution: 

 
  1. Uninstall Viper Online Backup Software from the computer
  2. Download and save Vipersoftware onto the desktop 
  3. For Windows Vista or Windows 7 operating system, turn off UAC (User account control) before starting the installation
  4. During the installation, please select the option "Allow all users to use the application"
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