Qt5Core.dll was Not Found: 4 Ways to Fix This Error

Discover quick ways to replace the missing DLL

4 min. read

Updated onApril 2, 2024

updated onApril 2, 2024

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DLL or Dynamic Link Library files are vital to both Windows and the apps installed on it. There are several of these published by Microsoft while third parties too develop files specific to their programs, and sometimes aDLL goes missing. This is commonly seen withQt5Core.dll.

Multiple programs usually share a DLL, and when the DLL is not found, the dependentapps fail to launch. Even minor issues with it become complex problems requiring immediate resolution. Let’s find out all about it and how you can downloadQt5Core.dllin Windows.

What is Qt5Core dll?

Qt5Core.dll, published by The Qt Company Ltd., is a vital file for applications developed using C++ or using the framework for execution. Since it isn’t a Microsoft-published DLL, any app requiring it will have the file bundled with the installation package.

So, why isQt5Core.dllnot found? Here are a few reasons for it:

What can I do if Qt5Core.dll is missing?

1. Use a dedicated DLL repair tool

DLL issues arise from time to time, and, more often than not, it’s a problem with third-party ones. The reason, third-party DLLs are more prone to compatibility issues with the OS, and, as a result, the programs depending on them don’t launch. In such cases, it’s best to use aDLL repair tool.

2. Place the DLL in the program’s directory

Third-party programs that have the DLL bundled as a part of the package require it to be placed in the same folder as the launcher. While this shouldn’t be a problem for most, some users often move the launcher (.exe file) to the desktop or another preferred location.

If that’s the case, revert the change and have the launcher in the program’s directory. Also, for those missing theQt5Core.dllfile, copy it from another PC running the same OS, and move it to the affected program’s folder.

3. Update the graphics driver

If you come across theRadeonSettings -System error, The program can’t start because Qt5Core.dll is missing, a quick fix is toupdate the graphics driver. If this doesn’t work,manually install the latest driverin Windows from the manufacturer’s website.

4. Reinstall the program

That’s it! If the previous solutions didn’t work, reinstalling the problematic application should do the trick. Once done, you should findQt5Core.dllin the program’s directory. Also, if this doesn’t work out on the first attempt, we recommend using areliable uninstaller softwareto clear leftover files.

Before you leave, check thebest DLL repair tooland get one today to fix such issues with ease.

Tell us which fix worked for you in the comments section below.

Qt5Core.dll was Not Found: 4 Ways to Fix This Error#

What is Qt5Core dll?#

What can I do if Qt5Core.dll is missing?#

1. Use a dedicated DLL repair tool#

2. Place the DLL in the program’s directory#

3. Update the graphics driver#

4. Reinstall the program#