After updating Acrobat DC to April 2021 release, Acrobat DC opens for a few seconds and closes.
Applicable versions
- Acrobat DC (Version 2021.001.20149 | April 16, 2021 release)
Try the workarounds below in the order they appear:
Update the Creative Cloud Desktop app to its latest version and keep it open
- Open the Creative Cloud desktop app. (Select the icon
in the Windows taskbar or the macOS menu bar.)
- In the Creative Cloud desktop app, click the options menu, and then click Check for App Updates.
- If you aren’t using the latest version of the Creative Cloud desktop app, a prompt to update will appear. Select Update.
After the Creative Cloud desktop app is updated, launch Acrobat DC and check.
Create a feature lockdown registry key to disable the sign in
Applicable on Windows
- In Start > Search, type RegEdit and press Enter. The Registry Editor is displayed.
- Browse to HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Policies\Adobe\(product name)\(version)\FeatureLockDown.
For example, the path for Acrobat DC is LOCAL_MACHINE\SOFTWARE\WOW6432Node\Policies\Adobe\AdobeAcrobat\DC\FeatureLockDown. - Create the following key:
Key: bDisableFrequentSignInWorkflow
Data type: REG_DWORD
Value: 0
- Close Registry Editor.
Uninstall Acrobat and reinstall the previous version.
Steps to uninstall Acrobat DC.
Uninstall Acrobat DC on Windows
- Open the Run command box - press the Windows key and the R key.
- In the Run command box, type Control Panel and press OK.
- In Control Panel, click Programs and Features.
- From the list of installed programs, select Adobe Acrobat DC and click Uninstall
- Click Yes in the confirmation dialog.
Uninstall Acrobat DC on macOS
- Go to Finder > Applications > Adobe Acrobat DC, and double click the Acrobat Uninstaller.
- The uninstaller asks you to select the product. Select Adobe Acrobat and click Open.
- In the confirmation dialog for Acrobat DC removal, click OK.
Steps to reinstall Acrobat DC
Do any of the following:
- Open your Creative Cloud desktop app. In the list of apps, find Acrobat, and then click Install.
- Download the Acrobat DC installer, and then follow the onscreen instructions to sign in and install.
Bug fixes Acrobat and Reader DC March 2021 Optional Update Windows and Mac
A follow-up update to Acrobat DC, Reader DC & Acrobat/Reader 2017 Feb 2021 release for Windows & Mac 21.001.20145 Optional update, Mar 10, 2021, & 17.011.30194 Optional update, Mar 10, 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 DC, Reader DC & Acrobat/Reader 2017 that addresses some important bug fixes and is applicable for Acrobat and Reader DC Continuous & Classic tracks.
Adobe recommends installing and updating the apps for Windows and Mac to the latest version of Continous track: 21.001.20145 & Classic track: 17.011.30194 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.
Bugs/Issues fixed:
Annotations
- Comments missing in a shared review if done using Reader DC
PDFMaker
- Error while saving to PDF from MS Office products
JavaScript
- app.thermometer produces an error when it’s value is updated
Acrobat DC Feb 25, 2021, Optional Update Windows and Mac _ Bug fixes
A follow-up update to Acrobat and Reader DC Feb 2021 release for Windows & Mac 21.001.20142 Optional update, Feb 25, 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 21.001.20142, 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:
Search
- Not able to Find/Search text in PDF documents
Security-Signatures
- Crash on Opening a particular Signed PDF
Acrobat 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:
Viewer
- An error comes up on opening PDFs in Reader when trying to open from OneDrive’s Personal Vault Folder
Sandbox
- 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
Browser
- 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
Printing
- “Choose Paper Source by PDF page size” checkbox is not working while Protected Mode is enabled
Search
- Acrobat is not able to load the associated index with a PDF file
Installer
- 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
Editing
- Cell content from Excel app is getting copied as an image to the Edit app
Unable to print by PDF page size after updating Acrobat DC or Acrobat Reader DC to the latest version
On Windows only
Important Update:
We no longer need to use the below-mentioned workaround. This issue has been fixed with the optional update released on Feb 15, 2021: 20.001.20138 Reference URL
Note: If you already have used the below-mentioned workaround, please update your app to the latest version and enable the Protected Mode. It is highly recommended.
******************Below mentioned workaround is no longer required***************
While printing a PDF from Acrobat DC or Acrobat Reader DC, even though the Choose paper source by PDF page size option is selected in the Print dialog box, the document gets printed with the default page size.
Workaround:
Note: This is a temporary workaround. Adobe is working to fix the issue. We recommend enabling the Protected Mode after you have printed your documents for the security advantages it provides by sandboxing application processes.
- Disable the Protected Mode in Acrobat DC or Acrobat Reader DC
- In Acrobat DC or Acrobat Reader DC, go to Edit > Preferences.
- From the Categories on the left, select Security (Enhanced).
- Uncheck the option Enable Protected Mode at Startup, and then click OK.
- Quit Acrobat DC or Acrobat Reader DC.
- Relaunch Acrobat DC or Acrobat Reader DC. The Choose paper source by PDF page size option in the Print dialog should work as expected.
You may also Read this Help document: https://helpx.adobe.com/acrobat/kb/unable-to-print-using-choose-paper-source-by-pdf-size.html
February Release:
With the latest release of Acrobat and Reader DC, we have some Amazing New Features available which enables you to do more.
See what is new with this release: New features and changes in February 2021 release of Acrobat and Reader DC
Adobe recommends installing updates of the Acrobat DC and Reader DC for Windows & Mac 21.001.20135(planned update), as soon as possible, as it addresses some important bug fixes.
Acrobat DC with Adobe Document Cloud services is the complete PDF solution for working with your most important documents across desktop, web, and mobile devices. Update your Acrobat desktop app and mobile app, or sign in to Acrobat Web to experience the new features and improvements.
Install Updates:
- Install updates from the Help menu of Acrobat/Reader DC, select Check for Updates.
- Reboot the machine once, after updating the Adobe Acrobat/Reader DC.
For detailed information and to download the latest patch manually, please refer to the Release notes.
This update will bring the following improvements or new features to your application:
- Modernized edit and crop PDF experience.
- Acrobat Chrome extension enhancements.
- Create a blank page PDF from the File menu.
- Navigate form fields using the Tab key in authoring mode.
- Auto-undock of the heads-up display (HUD) as per the window size.
- Enhanced crash dialog on Windows.
- Flash Player preference removed from Acrobat.
- Share archived agreements.
- Acrobat Reader DC 64-bit for Windows.
- Other enhancements and bug fixes.
For the known issues with Adobe Acrobat and Reader DC, please read this document: https://helpx.adobe.com/acrobat/kb/known-issues-acrobat-dc-reader.html
For Acrobat Pro 2020 Classis: Please check the release notes for the Feb release 20.001.30020 (Planned update)
For Acrobat Pro 2017 Classis: Please check the release notes for the Feb release 17.011.30190 (Planned update)
Give this post a "Thumbs Up" if you like the information. Thanks
After updating Acrobat DC to April 2021 release, Acrobat DC opens for a few seconds and closes.
Applicable versions
- Acrobat DC (Version 2021.001.20149 | April 16, 2021 release)
Try the workarounds below in the order they appear:
Update the Creative Cloud Desktop app to its latest version and keep it open
- Open the Creative Cloud desktop app. (Select the icon
- In the Creative Cloud desktop app, click the options menu, and then click Check for App Updates.
- If you aren’t using the latest version of the Creative Cloud desktop app, a prompt to update will appear. Select Update.
After the Creative Cloud desktop app is updated, launch Acrobat DC and check.
Create a feature lockdown registry key to disable the sign in
Applicable on Windows
- In Start > Search, type RegEdit and press Enter. The Registry Editor is displayed.
- Browse to HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Policies\Adobe\(product name)\(version)\FeatureLockDown.
For example, the path for Acrobat DC is LOCAL_MACHINE\SOFTWARE\WOW6432Node\Policies\Adobe\AdobeAcrobat\DC\FeatureLockDown. - Create the following key:
Key: bDisableFrequentSignInWorkflow
Data type: REG_DWORD
Value: 0
- Close Registry Editor.
Uninstall Acrobat and reinstall the previous version.
Steps to uninstall Acrobat DC.
Uninstall Acrobat DC on Windows
- Open the Run command box - press the Windows key and the R key.
- In the Run command box, type Control Panel and press OK.
- In Control Panel, click Programs and Features.
- From the list of installed programs, select Adobe Acrobat DC and click Uninstall
- Click Yes in the confirmation dialog.
Uninstall Acrobat DC on macOS
- Go to Finder > Applications > Adobe Acrobat DC, and double click the Acrobat Uninstaller.
- The uninstaller asks you to select the product. Select Adobe Acrobat and click Open.
- In the confirmation dialog for Acrobat DC removal, click OK.
Steps to reinstall Acrobat DC
Do any of the following:
- Open your Creative Cloud desktop app. In the list of apps, find Acrobat, and then click Install.
- Download the Acrobat DC installer, and then follow the onscreen instructions to sign in and install.
Bug fixes Acrobat and Reader DC March 2021 Optional Update Windows and Mac
A follow-up update to Acrobat DC, Reader DC & Acrobat/Reader 2017 Feb 2021 release for Windows & Mac 21.001.20145 Optional update, Mar 10, 2021, & 17.011.30194 Optional update, Mar 10, 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 DC, Reader DC & Acrobat/Reader 2017 that addresses some important bug fixes and is applicable for Acrobat and Reader DC Continuous & Classic tracks.
Adobe recommends installing and updating the apps for Windows and Mac to the latest version of Continous track: 21.001.20145 & Classic track: 17.011.30194 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.
Bugs/Issues fixed:
Annotations
- Comments missing in a shared review if done using Reader DC
PDFMaker
- Error while saving to PDF from MS Office products
JavaScript
- app.thermometer produces an error when it’s value is updated
Acrobat DC Feb 25, 2021, Optional Update Windows and Mac _ Bug fixes
A follow-up update to Acrobat and Reader DC Feb 2021 release for Windows & Mac 21.001.20142 Optional update, Feb 25, 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 21.001.20142, 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:
Search
- Not able to Find/Search text in PDF documents
Security-Signatures
- Crash on Opening a particular Signed PDF
Acrobat 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:
Viewer
- An error comes up on opening PDFs in Reader when trying to open from OneDrive’s Personal Vault Folder
Sandbox
- 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
Browser
- 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
Printing
- “Choose Paper Source by PDF page size” checkbox is not working while Protected Mode is enabled
Search
- Acrobat is not able to load the associated index with a PDF file
Installer
- 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
Editing
- Cell content from Excel app is getting copied as an image to the Edit app
Unable to print by PDF page size after updating Acrobat DC or Acrobat Reader DC to the latest version
On Windows only
Important Update:
We no longer need to use the below-mentioned workaround. This issue has been fixed with the optional update released on Feb 15, 2021: 20.001.20138 Reference URL
Note: If you already have used the below-mentioned workaround, please update your app to the latest version and enable the Protected Mode. It is highly recommended.
******************Below mentioned workaround is no longer required***************
While printing a PDF from Acrobat DC or Acrobat Reader DC, even though the Choose paper source by PDF page size option is selected in the Print dialog box, the document gets printed with the default page size.
Workaround:
Note: This is a temporary workaround. Adobe is working to fix the issue. We recommend enabling the Protected Mode after you have printed your documents for the security advantages it provides by sandboxing application processes.
- Disable the Protected Mode in Acrobat DC or Acrobat Reader DC
- In Acrobat DC or Acrobat Reader DC, go to Edit > Preferences.
- From the Categories on the left, select Security (Enhanced).
- Uncheck the option Enable Protected Mode at Startup, and then click OK.
- Quit Acrobat DC or Acrobat Reader DC.
- Relaunch Acrobat DC or Acrobat Reader DC. The Choose paper source by PDF page size option in the Print dialog should work as expected.
You may also Read this Help document: https://helpx.adobe.com/acrobat/kb/unable-to-print-using-choose-paper-source-by-pdf-size.html
February Release:
With the latest release of Acrobat and Reader DC, we have some Amazing New Features available which enables you to do more.
See what is new with this release: New features and changes in February 2021 release of Acrobat and Reader DC
Adobe recommends installing updates of the Acrobat DC and Reader DC for Windows & Mac 21.001.20135(planned update), as soon as possible, as it addresses some important bug fixes.
Acrobat DC with Adobe Document Cloud services is the complete PDF solution for working with your most important documents across desktop, web, and mobile devices. Update your Acrobat desktop app and mobile app, or sign in to Acrobat Web to experience the new features and improvements.
Install Updates:
- Install updates from the Help menu of Acrobat/Reader DC, select Check for Updates.
- Reboot the machine once, after updating the Adobe Acrobat/Reader DC.
For detailed information and to download the latest patch manually, please refer to the Release notes.
This update will bring the following improvements or new features to your application:
- Modernized edit and crop PDF experience.
- Acrobat Chrome extension enhancements.
- Create a blank page PDF from the File menu.
- Navigate form fields using the Tab key in authoring mode.
- Auto-undock of the heads-up display (HUD) as per the window size.
- Enhanced crash dialog on Windows.
- Flash Player preference removed from Acrobat.
- Share archived agreements.
- Acrobat Reader DC 64-bit for Windows.
- Other enhancements and bug fixes.
For the known issues with Adobe Acrobat and Reader DC, please read this document: https://helpx.adobe.com/acrobat/kb/known-issues-acrobat-dc-reader.html
For Acrobat Pro 2020 Classis: Please check the release notes for the Feb release 20.001.30020 (Planned update)
For Acrobat Pro 2017 Classis: Please check the release notes for the Feb release 17.011.30190 (Planned update)
Give this post a "Thumbs Up" if you like the information. Thanks
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