On one machine running Windows 7 SP1 32 bits it is not possible to start Toad Data Modeler after installing the latest version of Toad for Oracle 10.6.1.
When launching Toad Data Modeler the following message is displayed: "Access violation at address 004065F8 in module TDM.exe. Read of address 64D6F62".
1. Backup the custom packages folder
2. Delete the custom packages folder
3. Reinstall Toad Data Modeler