Getting Started with Shadow PC Gaming

Requirements and FAQs

Introduction with Shadow PC Gaming


Technical Assistance - General

Resolution & Image Quality

Software Setup

Connection & Network

Performance Issues


Known Issues for Shadow

Mice, Keyboards, and Other Peripherals

Error Messages

Sound & Microphones


Technical Assistance - Apps, Ghost, and Box

Getting Started with Shadow PC Enterprise

Getting Started with Shadow Drive

Account Management

Contact Support

R: -1 - Unknown error



The Shadow renderer has encountered a critical error while running Shadow.


If you've encountered error R: -1, restart the Shadow application, Shadow Box, or Shadow Ghost. This will usually solve the problem.

You can also try turning off Shadow.

To shut down Shadow on a device with a Windows, macOS, or Ubuntu operating system, click the Help Help_Icon.png icon → Shut down Shadow.

To shut down Shadow via a mobile application, such as iOS or Android, tap Settings → Turn off Shadow.

If the problem persists, contact Support and let our team investigate further.