What do I do if I lost a DLL file?

What do I do if I lost a DLL file?

Run System File Checker. If you want to fix missing DLL files or to fix the corrupted errors by your Windows Operating System, the safest way is to run the System File Checker. The System File Checker (SFC Scanner) is the tool from Windows itself that can be used to replace/fix missing or corrupted system files.

Where do I put QT5WIDGETS DLL?

In the vast majority of cases, the solution is to properly reinstall qt5widgets. dll on your PC, to the Windows system folder. Alternatively, some programs, notably PC games, require that the DLL file is placed in the game/application installation folder.

What are DLL issues?

A DLL error is any error with a DLL file—a kind of file ending in the . DLL file extension. DLL errors can appear in any of Microsoft’s operating systems including Windows 10, Windows 8, Windows 7, Windows Vista, and Windows XP.

What is the meaning of mfc140u dll?

The mfc140u. dll File is a DLL (Dynamic Link Library) System File provided by Microsoft for Windows 7, Windows 8, Windows 10, and earlier Versions. These . dll Files contain various instructions that different pieces of software may need in order to run properly.

Where do I put qt5widgets DLL?

What is wrong with qt5widgets DLL?

@koahnig said in Problem of Qt5Network.dll or Qt5Widgets.dll missing: When you install Qt on a development machine, the absolute path to the dev folder is embedded into the Qt DLLs. This embedded path makes the DLLs search the dev folder for dependencies.

Is it possible to download Qt5 widgets?

Thanks for your feedback! This person is a verified professional. Verify your account to enable IT peers to see that you are a professional. Download Qt5Widgets.dll (safely) online and drop it in your Windows/System32 folder Was this post helpful?

Why won’t my Qt5 program run on Windows?

And it can’t run if it don’t find mandatory library in the same folder. You also need some other libraries to run a Qt5 program depending on the modules you use. Windows specific ones are listed here Statically linked app with QT gives error: Failed to load platform plugin “windows”.

How does windeployqt work with Qt?

When you install Qt on a development machine, the absolute path to the dev folder is embedded into the Qt DLLs. This embedded path makes the DLLs search the dev folder for dependencies. windeployqt removes these embedded paths.