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Installer Return Codes
This page documents the return values produced by the IA AVATAR installer, which is built with Inno Setup.
General rule
0 means that Setup completed successfully. Any non-zero code means that Setup did not run to completion.
Setup executable return codes
| Code | Meaning | Recommended action |
|---|---|---|
0 | Setup completed successfully, or the Help command was used. | No corrective action is required. |
1 | Setup failed to initialize. | Restart Windows, download a fresh copy and run the installer again. Check permissions and security software if the problem continues. |
2 | The user cancelled before installation started or declined the initial confirmation. | Run the installer again when ready and confirm the installation. |
3 | A fatal error occurred while preparing the next installation phase, possibly because Windows resources or memory were unavailable. | Close other programs, restart Windows and retry. |
4 | A fatal error occurred during the actual installation process. | Review the displayed error, verify disk space and permissions, restart Windows and retry with a newly downloaded installer. |
5 | The user cancelled during installation or selected Abort in an Abort/Retry/Ignore dialog. | Correct the reported problem, then restart the installer. |
6 | Setup was forcibly terminated by the Inno Setup debugger. | This is a development and testing condition. End users should download the official release build. |
7 | The “Preparing to Install” stage determined that installation could not proceed. | Read the displayed message, close conflicting applications, verify requirements and retry. |
8 | Installation could not proceed and Windows must be restarted to correct the problem. | Restart Windows, then run the installer again. |
Unexpected or miscellaneous values
Future Inno Setup versions may introduce additional values. IA AVATAR treats any undocumented non-zero value as an installation failure. Record the exact value, the displayed message, the Windows version and the IA AVATAR installer version before contacting support.
Uninstaller return codes
| Result | Meaning | Recommended action |
|---|---|---|
0 | The uninstall command completed normally. | No action is required. |
| Any non-zero value | The user cancelled the operation or a fatal error prevented completion. | Restart Windows and try again. Contact support if IA AVATAR remains installed. |
miscellaneous install failure scenarios
MiscellaneousDocument version: 1.0 · Updated: 14 July 2026 · Product: IA AVATAR