From Toad v14, it will now need to be installed as a read only version, from the command line, using the MSI installer.
You can download the MSI installer from
hereOnce downloaded, please run the install from the command line, with a command such as:
msiexec /i "C:\test\ToadforOracle_GA_14.1.120.923_x64_En.msi" READONLY=1and this will install the Read-Only version. This can be checked in Toad, in the Help | About screen when it is opened.