Oracle Corporation VirtualBox DLL Qt5CoreVBox.dll

Repair DLL Errors: Qt5CoreVBox.dll Download and Update

Last Updated: 11/25/2023
[Average Read Time: 4.5 minutes]

DLL files such as Qt5CoreVBox.dll are categorized as Win64 DLL (Dynamic link library) files. As a C++ application development framework. file, it was created for use in Qt5 by Oracle Corporation.

Qt5CoreVBox.dll was first released in the Windows 10 Operating System on 10/15/2019 with VirtualBox 6.0.14. This is the most recent release date from Oracle Corporation, according to our records.

In this short article, you will discover detailed file information, steps for troubleshooting DLL file problems with Qt5CoreVBox.dll, and list of free downloads for every version that exists in our comprehensive file directory.

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File Overview


General Information ✻
File Name: Qt5CoreVBox.dll
File Extension: DLL file extension
Description: C++ application development framework.
Object File Type: Dynamic link library
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: The Qt Company Ltd
Software Program: Qt5
Legal Copyright: Copyright (C) 2015 The Qt Company Ltd.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x28bde4
Code Size: 2816512
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What are Qt5CoreVBox.dll Error Messages?


Dynamic Link Library Qt5CoreVBox.dll Errors

Qt5CoreVBox.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like Qt5CoreVBox.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like DismHost.exe - to follow. These files were created so that multiple programs (eg. VirtualBox) could share the same Qt5CoreVBox.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 Qt5CoreVBox.dll is attempted to be loaded either when VirtualBox is starting up, or in some cases already running. Some of the most common Qt5CoreVBox.dll errors include:

Your Qt5CoreVBox.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with VirtualBox), or deleted by a malware infection. Furthermore, Qt5CoreVBox.dll file corruption could be caused from a power outage when loading VirtualBox, system crash while loading Qt5CoreVBox.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.

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How to Fix Qt5CoreVBox.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 Qt5CoreVBox.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 Qt5CoreVBox.dll error, please proceed to the Step 2 below.

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

You can uninstall VirtualBox 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 VirtualBox 6.0.14 and click "Uninstall"
  5. Follow the prompts for uninstallation.

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

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

VirtualBox 6.0.14

Oracle Corporation

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 Qt5CoreVBox.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 Qt5CoreVBox.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your Qt5CoreVBox.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 Qt5CoreVBox.dll file version. We maintain a comprehensive database of 100% malware-free Qt5CoreVBox.dll files for every applicable version of VirtualBox. 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 Qt5CoreVBox.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate VirtualBox folder location:
    Windows 10: C:\Program Files\Oracle\VirtualBox\
  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 Qt5CoreVBox.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.

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Download Qt5CoreVBox.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying Qt5CoreVBox.dll to your appropriate Windows system directory. Oracle Corporation typically does not release VirtualBox 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 Qt5CoreVBox.dll and all other DLL files for VirtualBox. 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
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Files Related to Qt5CoreVBox.dll


DLL Files Related to Qt5CoreVBox.dll

File Name Description Software Program (Version) File Size (bytes) File Location
EntSyncFx.dll Microsoft Synchronization Framework Entertainment Platform (10.17021.1003.0) 665600 C:\Windows\System32\wdi\LogFiles\
api-ms-win-core-handle... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11112 C:\WINDOWS\Tasks\
DbgPlugInDiggers.dll VirtualBox Debugger Guest OS Digger Plug-in Oracle VM VirtualBox (6.1.2.135662) 347472 C:\Windows\System32\winevt\Logs\
windowplugin.dll C++ Application Development Framework Qt5 (5.11.1.0) 23400 C:\Users\Tester\AppData\Local\
SmiProvider.dll DISM Settings Provider Microsoft® Windows® Operating System (10.0.16299.15) 259992 C:\Windows\System32\Sysprep\Panther\

Other Files Related to Qt5CoreVBox.dll

File Name Description Software Program (Version) File Size (bytes) File Location
setuperr.log Log VirtualBox 6.0.14 18978 C:\Windows\Logs\DPX\
SA.DAT Game Data Java Development Kit (JDK) J2SE 5.0 Update 22 6 C:\WINDOWS\Tasks\
setupapi.dev.log Log Java Development Kit (64-Bit) 12 684126 C:\Windows\inf\
api-ms-win-core-heap-l... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.16299.15) 12184 C:\Windows\Temp\37CEF5E8-28C2-4409-8C7D-11282D0...
api-ms-win-core-sysinf... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 19064 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...


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