The following remote software/patches installation error classes are possible:

0: Unknown error.
1: Unexpected exception occurred.
2: The package is absent on the Administration Server.
3: Host seems to be offline or hidden by firewall.
4: Unexpected system error occurred.
5: Access denied. The specified account has no permissions for the operation, or invalid account password specified.
,: The value specified by the lpRemoteName member is not acceptable to any network resource provider, either because the resource name is invalid, or because the named resource cannot be located.
7: The operation cannot be performed because a network component is not started or because a specified name cannot be used.
8: The network is unavailable.
9: Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed. Disconnect all previous connections to the server or shared resource and try again.
10: Not enough storage is available on target computer to process this command.
11: Timeout expired.
12: Can't upload the package using Network Agent since it is not installed yet.
13: Another remote installation / deinstallation task is active on the target host.
14: Try count exceeded.
15: Unexpected OS reboot occurred. The result of the installation is unknown.
16: Some necessary file is absent in the installation package.
17: Product installer error.
18: Operation system on the target computer is not supported by the product to be installed.
19: Incompatible application is installed on the target computer.
20: Can't resolve computer name
21: Software lack
22: Installation pending
23: Wrong installer version
24: Other installer is running
25: Installation package read failure
26: Incompatible localization
27: Prohibited by policy
28: File write error
29: Wrong uninstall password
30: Hardware lack
31: Target folder prohibited by policy
32: System reboot is required before retrying the installation
33: System reboot is required before proceeding with the installation
34: The Windows Installer Service could not be accessed
35: User cancelled installation
36: Error opening installation log file
37: The Windows Installer service failed to start
38: The Temp folder is on a drive that is full or is inaccessible
39: This patch package could not be opened
40: Another version of this product is already installed
41: Invalid command line argument for Windows Installer
42: The upgrade patch cannot be installed by the Windows Installer service
43: The patch package is not permitted by software restriction policy
44: There is not enough space to install the product
45: One of custom condition is failed
46: Install files failed
47: Install folders failed
48: Create shortcuts failed
49: Install services failed
50: Start services failed
51: Register product failed
52: Publish product failed
53: Remote deployment to cloud hosts is prohibited
54: EULA is not accepted
55: Distributive download from vendor's storage failed