Qtcore4.dll is a dynamic link library file that helps Microsoft Windows in loading several key components of the system.
The Qtcore4.dll error occurs when the Qtcore4.dll file cannot be loaded to run the application supported by this .dll file. The Qcore4.dll missing error message may occur while booting your system or launching a certain program.
It is a blue screen of death error type.
The Qtcore4.dll error code is often displayed as:
BLUE SCREEN ERROR - QtCore4.dll Not Found
Filei386QtCore4.dll could not be loaded. The error code is 7. Setup cannot continue. Press any key to exit.
Error CausesThis error code is triggered by a variety of reasons such as:
It is advisable to fix the Qtcore4.dll error code immediately as this error can pose serious threats to your system. Qtcore4.dll error can lead to system breakdown.
Here are some ways of fixing the Qtcore4.dll error on your system:
As dll files are shared files sometimes due to program deletion and installation .dll file settings can get misconfigured, damaged, and corrupt. In such a scenario, you can try reinstalling the program that is causing Qtcore4.dll error message to appear on the screen.
If BIOS misconfiguration is the cause of this error code on your system, then try reconfiguring your system’s misconfigured BIOS.
However, after adjusting the BIOS if the error still pops up on your screen, then this indicates the problem is bigger than you think.
It triggers either malware attack or registry corruption. If these are the underlying causes for the Qtcore4.dll error on your system then you need to scan your PC with a registry cleaner and an antivirus.
Registry is the main database of your system; if this gets corrupt it is most likely to result in system failure and valuable data loss.
And as for malware, the biggest concern is data security threats. Today’s advanced and lethal malware like viruses and spyware can give easy access to hackers to enter your system from a remote location, browse through your confidential and private data and manipulate it to their advantage.
This has led to a surge in various types of cyber crime, data breaches, and identity theft cases over the years.
To avoid all this while resolving the error code Qtcore4.dll on your PC, registry cleaning and repair and antivirus scan are needed.
You can either download 2 separate tools on your system to scan your PC which by the way will take a lot of time and increase your chances of the system slow down or you can download Restoro.
Click here to download Restoro and repair the Qtcore4.dll error on your PC.

bcdedit /set {identifier} bootlog YesNote: In the command given above, make sure that you replace the given system identifier with your computer’s system identifier. For instance: In this example, the identifier was replaced with the actual operating system identifier as current.
bcdedit /set {current} bootlog Yes
bcdedit/ set {identifier} bootlog NoNote: In the command given above, you need to replace the given system identifier with your computer’s system identifier. For instance: In this example, the {identifier} was replaced with the actual operating system identifier as {current}.
bcdedit /set {current} bootlog No
reg add "HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionWindowsUpdateAuto Update" /v AUOptions /t REG_DWORD /d 0 /f
sc config wuauserv start= autoThe command you entered will set the Windows Update to auto so you should be good to go.
Digital Publisher: Blueis Product Version: 4.0.0.1 Original File Name: DownloadAdmin Entry Point: 0x0000234A
Once the menu appears, click on Command Prompt (admin)
Once the command prompt with administrator privileges comes on-screen type in it following string:
This command will force Windows to show all devices in the device manager including old ones that are not used anymore, but since their drivers are still installed, devices will show up.
When you type command press ENTER.
Once again press WINDOWS + X to show the hidden menu but this time choose the device manager
The device manager will open, go to view > snow hidden devices in order to show unused devices.
Right-click on the device and click on uninstall device to remove it completely from your system.
Please always be careful when removing devices so you do not remove the device which is being used by mistake and always double-check that you are removing something that you used to have on your system. This method will show all hidden devices even ones that are hidden but crucial to the system working properly.
Error Causes
Error Causes“Info: An error occurred while attempting to read the boot configuration data.” with File: as “BootBCD” “File: Windowssystem32configsystem Info: Windows failed to load because the system registry file is missing or is corrupt” “Info: The Boot Configuration Data for your PC is missing or contains errors.”To fix the error code 0xc000014C when booting your computer, you can check out the suggestions provided below.
C:/Windows/System32/config/RegBack