Retired Operating Systems troubleshooting
Articles related to OSs that are no longer supported
- Windows requires a digitally signed driver
- System Extension Blocked appears on new installations on macOS Catalina 10.15
- Unknown exception (0x40000015) after installing/updating to Sophos Home 3.0.0 on Windows 7
- Additional steps for Sophos Home installations on macOS 10.15 Catalina
- Legacy System Extension - Existing software on your system signed by "Sophos" will be incompatible in the future
- Unable to allow Sophos Home kext
- macOS 10.14 and above - Sophos Installer would like to access your calendar / contacts