KDK Software’s, Spectrum, Taxsuit, Zen IT are basically Windows-based applications.
Any Windows Edition can be used to install these Softwares.
If the user has changed the windows theme as per his convenience and has selected Windows Classic theme as his choice, the above-said error occurs.
Simply by changing the Windows theme from Windows Classic to windows default will resolve the issue.
Find the below steps to change the windows theme.
For Windows 7:
Right-click on Desktop → Personalization.
Here, simply select Window 7 theme under “Aero Themes”.
For Higher version Windows such as Windows 8, 8.1
Step 1: Open Search bar with the composite key of Windows key+F, enter theme in the empty box and tap Settings.