Follow these instructions if you receive the error Main module: The installation process was interrupted. Signature is invalid.
- Uninstall Soda PDF Desktop using the removal tool.
- Click here to download the Soda PDF Removal Tool.
- Download and install Soda PDF using the all-in-one installer.
If the issue remains, temporarily disable your antivirus and firewall and install the latest software version.
Feel free to contact our customer service if you have any questions.