b44720d5__Installer_3_7___Release_Notes__Known_Issues
[Component] Installation: The format of the file 'ToadStudioAdapter30.dll' is invalid [Change Request] N/A [Known Issues] 
The format of the file 'ToadStudioAdapter30.dll' is invalid. This is related to having previously installed a version of 'Toad Studio' that included an old version of QAIT. Workaround: This can be easily overcome by installing the latest version of QAIT. Please contact Quest Support for information on where you can obtain the newer QAIT version.
Quest Installer 3.7 – Release Notes
Known Issues