ERROR_INSTALL_RESOLVE_DEPENDENCY_FAILED - 15603 (0x3CF3)
Package failed updates, dependency or conflict validation.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_INSTALL_RESOLVE_DEPENDENCY_FAILED with the numeric value 15603 and hexadecimal representation 0x3CF3 indicates that a package installation process has encountered an issue during dependency resolution. This typically means that the system was unable to validate or resolve dependencies for the installed package, which could be due to missing prerequisites, conflicts with existing software, or other validation issues.
Error Details
This error is commonly associated with Windows Installer (MSI) packages and may occur when an application or service attempts to install a new version of itself or another component. The installer checks for required dependencies such as other software versions, files, or system configurations before proceeding with the installation process. If these dependencies are not met or there are conflicts, this error is generated.
Usage Context
This error can be encountered in various scenarios where package installations are attempted, including but not limited to:
- Upgrading applications
- Installing new software
- Repairing existing installations
- Applying system updates
Developer Interpretation
Developers should interpret this error as an indication that the installation process was unable to resolve all necessary dependencies. This could be due to a variety of reasons, such as missing prerequisites, incorrect version conflicts, or corrupted package files. Developers are advised to review the specific context in which the error occurred and ensure that all required dependencies are correctly installed and up-to-date.
Related Errors
ERROR_INSTALL_FAILURE(1603)ERROR_DEPENDENCY_NOT_FOUND(2985)ERROR_PACKAGE_INVALID(2974)
FAQ
Q: What does the ERROR_INSTALL_RESOLVE_DEPENDENCY_FAILED error mean?
A: This error indicates that a package installation process failed to resolve all necessary dependencies.
Q: How can I troubleshoot this issue?
A: Review the specific context in which the error occurred and ensure that all required dependencies are correctly installed and up-to-date. Consult the documentation for the software or package being installed for any additional troubleshooting steps.
Summary
The ERROR_INSTALL_RESOLVE_DEPENDENCY_FAILED (15603) is a generic error code indicating issues with dependency resolution during installation processes in Windows. Developers should interpret this error as an indication that necessary dependencies are not met and take appropriate actions to resolve the issue.