Follow these instructions if PDF Architect failed to update, or you receive the error "Main module: The installation process was interrupted. Signature is invalid".
- Uninstall PDF Architect using the removal tool.
- Click here to download the PDF Architect Removal Tool.
- Download and install PDF Architect using the all-in-one installer.
Feel free to contact our customer service if you have any questions. Our support team is here to assist you.