I recently tried to open a new pdf file using an existing program Acrobat Reader and it changed the extensions of all programs and .pdf desktop icons, making them unusable.  I uninstalled Reader and extensions have been fixed.  But when I installed the dr

I recently tried to open a new pdf file using an existing program Acrobat Reader and it changed the extensions of all programs and .pdf desktop icons, making them unusable.  I uninstalled Reader and extensions have been fixed.  But when I installed the drive again - the latest version (DC) it happened again.  How can I fix it?  I am on Windows 7

Hi donaldm78047015,

Try the solution mentioned in this KB doc. https://helpx.Adobe.com/Acrobat/KB/application-file-icons-change-Acrobat.html

Kind regards

Nicos

Tags: Acrobat

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