Resolving Adobe Acrobat Error 14: The Complete Guide

While using Adobe Acrobat, you may encounter the error 14, which prevents you from opening your document.
This issue is caused by missing or corrupted Adobe Acrobat installation files.

• Problematic Adobe Acrobat files can cause big problems, but you can easily fix them.
• If you can’t open Adobe Acrobat files, the issue might stem from an incompatible version, so be sure to upgrade it.
• Another way to fix Adobe Acrobat error 14 is by installing the most recent updates.
• You can also use Adobe’s own troubleshooting tool to find the source of the error and resolve it.

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1. Download and install ASR Pro

2. Run a scan to find and fix errors

3. Reboot your computer for the changes to take effect

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Close any open Adobe Acrobat windows

1. Close all open browsers
   Click the Windows + R keys on your keyboard, and enter the following to open Run: C:Users(Your username)AppDataRoamingAdobe AcrobatReader.
2. Select the following files, and delete them: adobe.acrobat.cfg, adobe.acrobat.cfg~, and adobe.acrobat.cfg~Reader.
3. Relaunch Adobe Acrobat Reader, and check if the problem persists.

Scan for viruses

1. Update the Adobe Acrobat – Reader
2. Press the Windows key + S, type Adobe Reader, and click on the relevant search result.
3. Click on Help > Check for Updates.
   

Disable and re-enable Adobe Acrobat Reader

1. Run the Adobe application, and on the menu, click on the Edit menu
2. Select the Preferences option
3. Click on the General tab
4. Under the Enable Protected View option, click Disable
5. Click on the Enable button
   
6. Close the Preferences window
   
7. Launch the Adobe Acrobat Reader

Run the Adobe Cleaner Tool

1. Download Adobe Cleaner Tool
   Run it
2. Click the Clean My Machine button
3. Restart your computer
4. Run the Adobe Creative Cloud Cleaner Tool
5. Download Adobe Creative Cloud Cleaner Tool
   
6. Run it
   
7. Click the Clean CC Cleaner button
8. Restart your computer

Disable Protected Mode

1. Open Adobe Acrobat Reader.
2. Select Adobe Acrobat Reader from the menu and navigate to Preferences.
3. Select General from the left pane and uncheck the Enable Protected Mode option in the right pane.
4. Click OK to save the changes.
5. Restart Adobe Acrobat Reader and try opening your PDF document again.
   
6. Delete Adobe Acrobat Reader Cache files
   Open Adobe Acrobat Reader and go to Edit > Preferences.
7. Select General from the left pane and click on Advanced.
8. Click on Cache Files and Delete All.
9. After deleting the cache files, restart Adobe Acrobat Reader and check if the error is resolved.
10. Open Adobe Acrobat Reader and select Edit > Preferences.
    
11. Select General from the left pane and click on Advanced.
12. Click on Cache Files and Clear Cache.
13. After clearing the cache files, restart Adobe Acrobat Reader and check if the error is resolved.
    

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Change Adobe Acrobat Reader settings

1. Open Adobe Acrobat Reader.
2. Click Edit.
   
3. Select Preferences.
4. In the General tab, open the Security section.
5. Uncheck the Enable Protected Mode check box.
6. Click OK to save the changes.