Right-click the application folder → Properties → Security → Grant "Full Control" to the current user. Also, check %TEMP% permissions.
: Open Command Prompt and run the installer with /create-i4j-log . i4j nlog error
: Delete the contents of your %TEMP% folder. This removes old i4j_nlog files and forces the application to create a fresh one. Standard Troubleshooting Guide 1. Check Your Java Version Native launchers often require a specific Java version. : Delete the contents of your %TEMP% folder
NLog, by default, looks for its configuration file ( NLog.config or web.config ) in the application's current working directory. If the installer has changed the working directory, NLog cannot find its instructions, resulting in an error. Check Your Java Version Native launchers often require
Once resolved, adopt these best practices to avoid recurrence:
Based on real-world scenarios and Install4j technical documentation, here are the most frequent triggers: