ERROR_INSTALL_NETWORK_FAILURE - 15605 (0x3CF5)
There was a problem downloading your product.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_INSTALL_NETWORK_FAILURE with the numeric value 15605 and hexadecimal representation 0x3CF5 indicates a failure in downloading a product during an installation process. This error suggests that there was an issue related to network connectivity or resource availability, preventing the necessary files from being downloaded.
Error Details
This generic error code is returned when the installer encounters problems while attempting to download components over the network. It could be due to various factors such as network issues, insufficient bandwidth, or server unavailability. The exact cause of the failure might vary depending on the context in which it occurs.
Usage Context
The ERROR_INSTALL_NETWORK_FAILURE is commonly encountered during software installations that require downloading additional files from a remote server. This error can occur at any stage where network communication is required, such as fetching installation packages or updating components.
Developer Interpretation
As a developer, you should interpret this error code to indicate that the installer was unable to complete its task due to a network-related issue. The specific cause of the failure might not be immediately clear from this error alone and could require further investigation into the network environment or server-side issues.
Related Errors
ERROR_FILE_NOT_FOUND(2)ERROR_ACCESS_DENIED(5)ERROR_NO_NETWORK(61)ERROR_INTERNET_DISCONNECTED(10038)
These errors might provide additional context or be encountered in conjunction with ERROR_INSTALL_NETWORK_FAILURE, depending on the specific circumstances.
FAQ
Q: What does error 15605 mean?
A: The error code 15605, ERROR_INSTALL_NETWORK_FAILURE, indicates a problem downloading your product during installation due to network issues.
Q: How can I resolve this issue?
A: Ensure that you have a stable internet connection and try again. If the issue persists, check for any server-side problems or contact support if necessary.
Summary
The ERROR_INSTALL_NETWORK_FAILURE (15605) error code is a generic indication of network-related issues during installation processes. It suggests that there was an inability to download required components due to connectivity or resource availability problems. Developers should interpret this error as a signal for further investigation into the network environment and potential server-side issues.