After installing Toad on a citrix server when a user runs toad it works but does not save changes, It also creates multiple 9.7 folders in the users roaming profile.
The users have full control over their roaming profile and over the hkey current user.
Problem may be that the Citrix user is running oad for the first time while logged into Windows as an Administrator.
Uninstall and Install Toad making sure that the Citrix user runs Toad for the first time while logged in as an ordinary user and not as an Administrator.
Note: After the reinstall, if the problem persists for some or all the users, please reset their roaming profiles.