First, make sure that your logging application is configured to write log messages using log4net. If you just want to test LOG4VIEW, you can use the application LogEmiter.exe which is installed together with LOG4VIEW. Then, just drag your application exe file from the file explorer to LOG4VIEW. Confirm the settings in the receiver configuration form and press OK. Now, LOG4VIEW is configured to receive messages from your application.
You created a File Extension Schema for log files with a specific extension. For further information on how to use and deactivate this feature, please refer to the corresponding chapter in our documentation.