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.
6: 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.