Summary
Sage 300 upgrades require specific actions to keep web screens working correctly. Payroll web screens require extra steps during upgrading to Sage 300 2026.
Cause
Sage 300 version 2026 changes how web screens and payroll components install and register. Missing selections during setup cause web screens or payroll screens to disappear or fail.
Resolution
Handle payroll web screens during an upgrade from 2023 or 2024 version
- Confirm you're using version 2023 or 2024.
- Reinstall the latest Payroll Tax Update.
- Launch the Sage 300 setup.
- Ensure you check the Payroll web screens box during installation.
Handle Sage 300 web screens (even without payroll) for any version before 2025
- Confirm you’re upgrading from any version before 2025.
- Go to Control Panel, Programs, Programs and Features.
- Select Sage 300, then click Change.
- Choose Modify, then click Next.
- Uncheck Web Screens.
- Complete setup using default options.
- Run the Sage 300 version 2026 installer.
- Select Web Screens during installation.
- Complete the installation using the default options.