Bug fixes Reader DC Feb 2021 Optional Update Windows and Mac

Adobe Employee ,
Feb 16, 2021

Copy link to clipboard


Acrobat & Reader DC Feb 2021 Optional Update Windows and Mac _ Bug fixes


A follow-up update to Acrobat and Reader DC Feb 2021 release for Windows & Mac 21.001.20138 Optional update, Feb 15, 2021, is available which addresses some important bug fixes that have been reported in the Feb 09, 2021 release.


This release is a hotfix patch for Acrobat and Reader DC that addresses some important bug fixes and is applicable for Acrobat and Reader DC Continuous track.


Adobe recommends installing and updating Acrobat and Reader DC for Windows and Mac to the latest version 21.001.20138, as quickly as possible.

Install the updates from the help menu> select check for updates. Reboot the machine after installing the updates.


For detailed information about the latest update, please refer to the Release notes.


Bug/Issues fixed:



  • An error comes up on opening PDFs in Reader when trying to open from OneDrive’s Personal Vault Folder


  • Unable to save PDF file to Citrix ShareFile drive
  • Unable to save digitally signed PDF to Box drive when “Enable Protected Mode at startup (Preview)” is enabled


  • Error “PDF browser plugin is missing, reinstall the application” shown on opening PDF in browser
  • Hang on connecting to Global Protect tool with error “PDF browser plugin is missing, reinstall the application” shown in the background


  •  “Choose Paper Source by PDF page size” checkbox is not working while Protected Mode is enabled


  • Acrobat is not able to load the associated index with a PDF file


  • Getting Error 1722 while installing 32-bit Reader or on applying latest Reader patch

Fill & Sign

  • Reader: Nothing happens on clicking “Save a copy” button after adding a signature through Fill and Sign on a Reader extended document


  • Cell content from Excel app is getting copied as an image to the Edit app
Download and install







Community Guidelines
Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more