I have recently installed Windows 10 free update.  Now I am unable to delete .pdf files and get the invalid error message "Function MS-DOS."  It has never been a problem with the previous Windows 8.1.  I contacted Microsoft technical support and I was tol

I have recently installed Windows 10 free update.  Now I am unable to delete .pdf files and get the invalid error message "Function MS-DOS."  It has never been a problem with the previous Windows 8.1.  I contacted Microsoft technical support and they told me there is a problem with the .pdf application and I need to contact Adobe Acrobat. This can be corrected?

uninstall any version of acrobat is installed.

clean by Download Adobe Reader and Acrobat tool - Adobe Labs

Restart your computer.

delete all to delete pdf files.

If this fails, it is a problem of ms.  If this attempt is successful, then reinstall your acrobat.

Tags: Acrobat

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