If you receive the An internal error occurred error when importing a document in Adobe Acrobat Reader on your Windows PC, follow the below solutions to fix the error ...

Many Windows users are currently unable to use Adobe Acrobat Reader. A downgrade to the previous version resolves the error.

Adobe Acrobat Reader is many users’ favorite PDF reader, and it’s been around for many years. However, it’s not without its fair share of issues. These problems ...

When creating a PDF document either directly in Acrobat or using the PDF Printer or the Convert to Adobe PDF (PDFMaker function) feature, you might get an error ...

YMMV, but hopefully that will work for you. I think that in certain circumstances, the compression used for the PDF format in Ill9/10 (zip or jpeg are the usual options--though probably zip in this ...