Saturday, 21 January 2012

Microsoft Excel 2010 and MSCOMCTL.OCX

Recently when working with Excel 2010 and certain userform controls some of my users have received the following error message:

"Component 'Mscomctl.ocx' or one of its dependencies not correctly registered: a file is missing or invalid"

Sometimes certain Microsoft Libraries can become unregistered when installing and uninstalling software. A common problem is the MSCOMCTL.OCX file.

If you receive the above error first search your drive for MSCOMCTL.OCX to see if you have the file. The file should be found in your C:\WINDOWS\SYSTEM directory or at C:\WINDOWS\SYSTEM32 if you are using Windows XP.  If the file is missing you can download it from:

Once it is there click START -> RUN and type "REGSVR32 MSCOMCTL.OCX" (without quotes) into the box to register this control.

You should find this fixes the problem.

Also relevant:

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