21.001.20138 Optional update, Feb 15, 2021

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

Track details

This hotfix patch is applicable for Acrobat and Reader DC Continuous track.

**Windows installers (32-bit)**
Product	Type	Installer	Size	Language	Install over…
Acrobat	Optional update	AcrobatDCUpd2100120138.msp	399.0 MB	All	DC base (32-bit)
Reader	Optional update	AcroRdrDCUpd2100120138.msp	247.0 MB	All	DC base (32-bit)
Reader	Optional update	AcroRdrDCUpd2100120138_MUI.msp	135.0 MB	All	DC base MUI (32-bit)

**Windows installers (64-bit)**
Product	Type	Installer	Size	Language	Install over…
Acrobat	Optional update	AcrobatDCx64Upd2100120138.msp	36.0 MB	All	DC base (64-bit)
Reader	Optional update	AcroRdrDCx64Upd2100120138.msp	93.4 MB	All	DC base (64-bit)

**Macintosh installers**
Product	Type	Installer	Size	Language	Install over…
Acrobat	Optional update	AcrobatDCUpd2100120138.dmg	373 MB	All	DC base
Reader	Optional update	AcroRdrDCUpd2100120138_MUI.dmg	179.1 MB	All	DC base

4324395: An error comes up on opening PDFs in Reader when trying to open from OneDrive’s Personal Vault Folder

4324448: Unable to Save PDF file to Citrix ShareFile drive
4324392: Unable to save digitally signed PDF to Box drive when “Enable Protected Mode at startup (Preview)” is enabled

4324403: Error “PDF browser plugin is missing, reinstall the application” shown on opening PDF in browser
4324403: Hang on connecting to Global Protect tool with error “PDF browser plugin is missing, reinstall the application” shown in background

4324342: “Choose Paper source by PDF page size” checkbox is not working while Protected Mode is enabled

4323851: Getting Error 1722 while installing 32-bit Acrobat/Reader on applying latest patch

4324424: Reader: Nothing happens on clicking “Save a copy” button after adding a signature through Fill and Sign on a Reader extended document

Go to the Release Notes Home for information about the following: