• Troubleshooting your OpticsViewer installation
• How to troubleshoot OpticsViewer softkey license issues
• Solving softkey activation or transfer errors
• How to troubleshoot Red or Green USB license issues
• How to troubleshoot softkey license issues
• Troubleshooting license issues with Black USB key licenses
• What to do if the graphics windows in OpticStudio are black or blank
• Troubleshooting your OpticStudio installation