If you experience problems exporting your report to Excel, starting from version 4.0.0.1613, you can run ForNAV in debug mode and send the debug files to ForNAV Support for troubleshooting. To enable the debug mode: In the registry database on the service tier machine, under the registry key HKEY_LOCAL_MACHINE\SOFTWARE\ForNAV\Reports ForNAV, add a value named DebugMode