0x00003CF7
ERROR_INSTALL_DEREGISTRATION_FAILURE
Package could not be unregistered.
win32decimal 15607Windows Installer (MSI)
Matched as: the code as given (hex)
Log a case with no specific solution
Source: System Error Codes (12000-15999) - Win32 apps · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09