The file c1sizer.ocx was made by ComponentOne LLC and is part of C1Sizer, a tool that helps developers control the layouts of their applications.  The ocx format means that the file is a dynamic link library made of ActiveX controls.  ActiveX controls are pieces of reusable software written for Windows and Internet Explorer.

Because this file is meant to help developers design the look of their program, it may be included in more than one program you are running on your machine.  If you get an error with this file, the exact problem may be hard to pin down.

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