NumXL is not loading in Excel 2007/2010

Answer:

Whatever your Excel or NumXL version, it is necessary that the Macros security level is set properly to allow NumXL to run.

NumXL UI - Setting the macros security level in Excel 2007.

• Click the "Office Button" on the upper left corner of the Excel window to open the Office Menu.
• Click on the "Excel Options" button at the bottom of the Office menu window.
• The "Excel Options" window will appear.
  1. Select "Trust Center" in the middle of the menu bar on the left.
  2. Click on the "Trust Center Settings..." button on the right of the window.
  3. The "Trust Center" window will appear.
  4. Select "Macro Settings" in the middle of the menu bar on the left
  5. Select "Disable all macros, except digitally signed macros"
  6. Click OK to close the "Trust Center" window
  7. Click OK to close the "Excel Options" window

NumXL - Setting the Application Add-ins security level in Excel 2007.

• Click the "Office Button" on the upper left corner of the Excel window to open the Office Menu.
• Click on the "Excel Options" button at the bottom of the Office menu window.
• The "Excel Options" window will appear.
  1. Select "Trust Center" in the middle of the menu bar on the left.
  2. Click on the "Trust Center Settings..." button on the right of the window.
  3. The "Trust Center" window will appear.
  4. Select "Add-ins" at the top of the menu bar on the left
  5. Select "Require Application Add-ins to be signed by Trusted Publisher"
  6. Clear or deselect (if applicable) "Disable all Application Add-ins (may impair functionality)"
  7. Click OK to close the "Trust Center" window
  8. Click OK to close the "Excel Options" window