Solution:
To resolve the error, you need to register the Validatecsi.dll file on your system, to do so please follow the instructions provided here:
Step 1:
Open
Command prompt (Run as Administrator)
.
Step 2:
Type the following command there
regasm "C:\Program Files\K.D.K. Software\Spectrum\Zen TDS\validatecsi.dll" /tlb (
FOR 32 BIT System)

OR
C:\Windows\SysWOW64\regasm “C:\Program Files (x86)\K.D.K. Software\Spectrum\Zen TDS\
validatecsi.dll" /tlb
(FOR 64 BIT System)
OR
After writing regasm you can drag-drop the Validatecsi.dll file in command prompt from the location
“C:\Program Files (x86)\K.D.K. Software\Spectrum\Zen TDS”
OR
”C:\Program Files\K.D.K. Software\Spectrum\Zen TDS"
it will take the above path.
Step 3 :
In case software is installed at some other path then locate the DLL from that location only.
Press
Enter
, it will display message
“Type Registered Successfully”.

This should solve the problem.