AppState
--------

StateInvalid = 0,
StateUninstalled,
StateUpdateRequired,
StateFullyInstalled = 4,
StateEncrypted = 8,
StateLocked = 16,
StateFilesMissing = 32,
StateFilesCorrupt = 128,
StateAppRunning = 64,
StateBackupRunning = 4096,
StateUpdateRunning = 256,
StateUpdateStopping = 8388608,
StateUpdatePaused = 512,
StateUpdateStarted = 1024,
StateReconfiguring = 65536,
StateAddingFiles = 262144,
StateDownloading = 1048576,
StateStaging = 2097152,
StateCommitting = 4194304,
StateUninstalling = 2048,
StatePreallocating = 524288,
StateValidating = 131072