Here is a list of possible exit codes of our installers:
Antivirus, Avast One
40961
Invalid binary digital signature
40962
Corrupted installation package
40963
Installer cannot continue due to a previous pending operation
40964
Installer is already running
40966, 41217, 41218, 41219
Internal technical issue
41220
Download interrupted by user
41221, 41222, 41223
Internet connection issue
41224, 41225, 41226, 41227
Internal technical issue, possibly caused by unstable internet connection
41228, 41229, 41230, 41231
Internal technical issue
Other products
44001
Troubles during init operation
44002
Troubles during download
44003
Troubles to launch additional processes
44004
Troubles in UI module
44005
Troubles in subprocesses before making changes
44006
Internal technical issue
44008
Unspecified product operation
44009, 44010
Internal technical issue
44011
Unsupported operation requested
44012
Network error
44013
Troubles during init operation
44021, 44023
Internal technical issue
44024
Invalid binary digital signature
44030
Invalid command line parameters
44040 - 44059
Internal technical issues
44060
Installer closed by user
44070 - 44110
Internal technical value
44110
Installer closed by user
45000 - 45004
Internal technical issue
45005
Failed disk operation
45006
Unable to rename files
45007, 45008
Internal technical issue
45009
Newer version is already installed
45010
Computer reboot required
45011
Internal compatibility issue
45012
Internal technical issue
45013
Internal technical issue
45014
SHA2 not supported by system
45015
Secure boot not enabled
45016
SSE3 CPU instruction set not found
45017, 45018, 45019
Internal technical issue
45056
Unsupported operating system
45057
Internal technical issue
