What are About.xst Error Messages?

General About.xst Runtime Errors

About.xst file errors often occur during the startup phase of Adobe Premiere Pro CC, but can also occur while the program is running. These types XST errors are also known as “runtime errors” because they occur while Adobe Premiere Pro CC is running. Here are some of the most common About.xst runtime errors:

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

Most XST errors are due to missing or corrupt files. Your About.xst file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Adobe Premiere Pro CC), or deleted by a malware infection. Furthermore, About.xst file corruption could be caused from a power outage when loading Adobe Premiere Pro CC, system crash while loading or saving About.xst, 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 About.xst 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 About.xst 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 About.xst error, please proceed to the Step 2 below.

You can uninstall Adobe Premiere Pro CC 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 Premiere Pro CC 14 and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Adobe Premiere Pro CC software.

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

Adobe Premiere Pro CC 14

Adobe Systems Incorporated

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many About.xst 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 About.xst 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 About.xst 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 About.xst file version. We maintain a comprehensive database of 100% malware-free About.xst files for every applicable version of Adobe Premiere Pro CC. 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 About.xst Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate Adobe Premiere Pro CC folder location:
   
   Windows 10: C:\Program Files\Adobe\Adobe Premiere Pro CC 2019\XST\
   
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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