Problem with a connection

I want to connect with a DB and a have this problem

Access violation at address 00000000005DD5BB in module 'TDM.exe'. Read of address 0000000000000078

I can't connect to any DB.
I have a 6.4 toad data model


what version of Windows do you have? If you have Windows 10 version 1809 or above, please update to newer version of TDM. Previous TDM versions (older than TDM 6.5.5) does not work properly on Windows 10 version 1809 and above.
You can find the latest version of TDM here