JavaScriptCore.dll Download and Repair: Troubleshooting DLL Errors

Last Updated: 07/01/2021
[Average Article Time to Read: 4.7 minutes]

Dynamic Link Library files such as JavaScriptCore.dll utilize the DLL file extension. This file is considered a Win32 DLL (Dynamic Link Library) file, and was first created by Amazon for the Kindle for PC 1.26.55076 software package.

JavaScriptCore.dll was first released in the Windows 10 Operating System on 01/07/2016 with Apple QuickTime Player 7.7.9. On 05/31/2019, version 1.26.55076 was released for Kindle for PC 1.26.55076. JavaScriptCore.dll is included in Kindle for PC 1.26.55076, iTools 4.4.2.7, and CopyTrans Drivers Installer 2.048.

Below, you find comprehensive file information, instructions for simple DLL file troubleshooting, and list of free JavaScriptCore.dll downloads for each available file version.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: JavaScriptCore.dll
File Extension: DLL file extension
File Type: Dynamic Link Library
Description: Dynamic Link Library
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Program: Kindle for PC 1.26.55076
Developer: Amazon
Software: Kindle for PC
Software Version: 1.26.55076
File Details
Entry Point: 0xd3fba
Code Size: 873984


What are JavaScriptCore.dll Error Messages?


Dynamic Link Library JavaScriptCore.dll Errors

JavaScriptCore.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like JavaScriptCore.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Kindle for PC) could share the same JavaScriptCore.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when JavaScriptCore.dll is attempted to be loaded either when Kindle for PC is starting up, or in some cases already running. Some of the most common JavaScriptCore.dll errors include:

Your JavaScriptCore.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Kindle for PC), or deleted by a malware infection. Furthermore, JavaScriptCore.dll file corruption could be caused from a power outage when loading Kindle for PC, system crash while loading JavaScriptCore.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix JavaScriptCore.dll 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 JavaScriptCore.dll issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

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 JavaScriptCore.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Kindle for PC (or related software), uninstall then try reinstalling Kindle for PC software.

You can uninstall Kindle for PC 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 Kindle for PC 1.26.55076 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Kindle for PC software.

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

Kindle for PC 1.26.55076

Amazon

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many JavaScriptCore.dll 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 JavaScriptCore.dll 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 JavaScriptCore.dll 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 JavaScriptCore.dll file version. We maintain a comprehensive database of 100% malware-free JavaScriptCore.dll files for every applicable version of Kindle for PC. 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 JavaScriptCore.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Kindle for PC folder location:
    Windows 10: C:\Program Files (x86)\Common Files\Apple\Apple Application Support\
    Windows 10: C:\Program Files\Common Files\Apple\Apple Application Support\
    Windows 10: C:\Program Files (x86)\Common Files\Apple\Apple Application Support\
    Windows 10: C:\Program Files (x86)\Safari\Apple Application Support\
    Windows 10: C:\Program Files (x86)\Amazon\Kindle\
    Show 3 more directories +
    Windows 10: C:\Program Files (x86)\Common Files\Apple\Apple Application Support\
    Windows 10: C:\Program Files\WindowsApps\AppleInc.iTunes_12101.4.43017.0_x64__nzyj5cx40ttqa\
    Windows 10: C:\Program Files\Common Files\Apple\Apple Application Support\
  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.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve JavaScriptCore.dll problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download JavaScriptCore.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying JavaScriptCore.dll to your appropriate Windows system directory. Amazon typically does not release Kindle for PC DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing JavaScriptCore.dll and all other DLL files for Kindle for PC. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to JavaScriptCore.dll


DLL Files Related to JavaScriptCore.dll

File Name Description Software Program (Version) File Size (bytes) File Location
qtaudio_windows.dll C++ application development framework. Qt5 (5.4.2.0) 56248 C:\Program Files (x86)\Amazon\Kindle\audio\
FileSyncApi64.dll Microsoft OneDrive File Information Provider Extension Microsoft OneDrive (19.192.0926.0012) 1246264 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
api-ms-win-core-interl... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11624 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
WebCoreViewer.dll Dynamic Link Library Kindle for PC 1.26.55076 240568 C:\Program Files (x86)\Amazon\Kindle\
api-ms-win-crt-utility... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11624 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...

Other Files Related to JavaScriptCore.dll

File Name Description Software Program (Version) File Size (bytes) File Location
SA.DAT Game Data Kindle for PC 1.26.55076 6 C:\WINDOWS\Tasks\
setupapi.dev.log Log Kindle for PC 1.26.55076 684126 C:\Windows\inf\
api-ms-win-core-sysinf... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 12136 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
diagerr.xml Extensible Markup Language Kindle for PC 1.26.55076 5718 C:\Windows\System32\Sysprep\Panther\
api-ms-win-core-dateti... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11112 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...


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