FastCUT error message : run-time 429 Active X
Make sure you have Administrator privileges when performing the installation. If not please login with Administrator privileges and un-install and re-install.
If you do have Administrator privileges, then close FastCUT
Click on the Start Button under Windows, choose RUN from the list (programs -> Accessories -> RUN)
Type the following, depending on your OS:
For Windows 32 bit
For Windows 64 bit:
Then restart FastCUT and just try a simple optimization.
You can also see the full guide here, in the knowledge base: