When installing Toad Intelligence Central (TIC), one may see the error:
ErrorCode=1720 ErrorMessage=There is a problem with this Windows Installer package. A script required for this install to complete could not be run. Contact your support personnel or package vendor. UIHint=0 Data=System.Collections.ObjectModel.ReadOnlyCollection`1[System.String] Result=None
[09F0:0F84][2017-03-28T10:25:55]e000: Error 0x80070643: Failed to install MSI package.