What are pmd.cer Error Messages?

General pmd.cer Runtime Errors

pmd.cer file errors often occur during the startup phase of Adobe Acrobat DC, but can also occur while the program is running. These types CER errors are also known as “runtime errors” because they occur while Adobe Acrobat DC is running. Here are some of the most common pmd.cer runtime errors:

• pmd.cer could not be found.
• pmd.cer error.
• pmd.cer failed to load.
• Error loading pmd.cer.
• Failed to register pmd.cer / Cannot register pmd.cer.
• Runtime Error - pmd.cer.
• The file pmd.cer is missing or corrupt.

Most CER errors are due to missing or corrupt files. Your pmd.cer file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Adobe Acrobat DC), or deleted by a malware infection. Furthermore, pmd.cer file corruption could be caused from a power outage when loading Adobe Acrobat DC, system crash while loading or saving pmd.cer, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.

How to Fix pmd.cer Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your pmd.cer issue. These troubleshooting steps are listed in the recommended order of execution.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

1. Hit the Windows Start button
2. When you see the search box, type "System Restore" and press "ENTER".
3. In the search results, find and click System Restore.
4. Please enter the administrator password (if applicable / prompted).
5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
6. Restore your computer to that backup image.

If the Step 1 fails to resolve the pmd.cer error, please proceed to the Step 2 below.

You can uninstall Adobe Acrobat DC software by following these instructions (Windows XP, Vista, 7, 8, and 10):

1. Hit the Windows Start button
2. In the search box, type "Uninstall" and press "ENTER".
3. In the search results, find and click "Add or Remove Programs"
4. Find the entry for Adobe Acrobat DC 2019.012.20034 and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Adobe Acrobat DC software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Adobe Acrobat DC 2019.012.20034

Adobe Systems Incorporated

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many pmd.cer error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

1. Hit the Windows Start button
2. In the search box, type "Update" and press "ENTER".
3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
4. If updates are available for download, click "Install Updates".
5. After the update is completed, restart your PC.

If Windows Update failed to resolve the pmd.cer error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

If Those Steps Fail: Download and Replace Your pmd.cer File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate pmd.cer file version. We maintain a comprehensive database of 100% malware-free pmd.cer files for every applicable version of Adobe Acrobat DC. Please follow the steps below to download and properly replace you file:

1. Locate your Windows operating system version in the list of below "Download pmd.cer Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate Adobe Acrobat DC folder location:
   
   Windows 10: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\
   Windows 10: C:\Program Files (x86)\Adobe\Acrobat DC\Acrobat\
   
4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

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