Adobe Acrobat Browser Helper – AcroIEHelper.ocx, AcroIEHelper.dll
AcroIEHelper.ocx and AcroIEHelper.dll install with the 32-bit versions of the Adobe Acrobat Reader. This free reader can be used to read Adobe Acrobat .PDF format files. The .ocx file is a browser helper object that let's you view PDF files within your browser window. With all the .PDF formatted files on the web these days, we'd recommend against removing this file.
For more information or to download the latest version of the Acrobat Reader, visit http://www.adobe.com/products/acrobat/readstep2.html.
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Adobe Systems, Inc.