Type: Answers
Area: Tools


Last Modified: October 01, 2012

Run Time Error '57121': Application defined or object defined error

Description

You may see this error when trying to open the Early Power Estimator (EPE) in Excel 2007 or later.

This error occurs if your ActiveX settings are disabled. No warning is issued that ActiveX is disabled.

Workaround/Fix

To avoid this error, perform the following steps:

  1. In Excel 2007 or later, click on the Office Button, (the top left round icon)
  2. Select Excel Options
  3. Select the Trust Center category and click Trust Center Settings
  4. Select the ActiveX Settings category
  5. Change the setting from Disable all controls without notification to one of the other options.
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