Instructions

Do the following to show error messages when it starts.

1. Check it's addins are not disabled.
2. then check its ticked in comaddins.
3. If that fails remove from commaddins menu then re-add adxloader.dll
   NOTE: To display each error in a message box, create an environment variable named VSTO_SUPPRESSDISPLAYALERTS and set it to 0 (zero). You can suppress the messages by deleting the environment variable or setting it to 1 (one).
   
   
4. To write the errors to a log file, create an environment variable named VSTO_LOGALERTS and set it to 1 (one).
    NOTE: The Visual Studio Tools for Office runtime creates the log file in the folder that contains the deployment manifest for the add-in, or in the folder that contains the document or workbook that is associated with the customization. 
   
   
5. If that fails, the Visual Studio Tools for Office runtime creates the log file in the local %TEMP% folder.  
   NOTE:  For application-level add-ins, the default name is add-in name.vsto.log. For document-level projects, the name of the log file is document name.extension.log, such as ExcelWorkbook1.xlsx.log. To stop logging errors, delete the environment variable or set it to 0 (zero).