If you use the Windows OS frequently, eventually you will get a message about a QT5 DLL file not functioning properly or that it packed up its bag, jumped on a wagon out heading out of Dodge, and is now missing.
DLL (or Dynamic Link Library) issues that have QT5 in the file name tend to be easier to repair than those without since the necessary QT5 DLL file will be packaged in the installer so all one must do is uninstall then reinstall the offending program cleanly.
QT5Quick.dll
You will probably see on Windows OS an OneDrive.exe – Bad Image prompt due to the QT5Quick.dll and the quick solution is to uninstall OneDrive from the Control Panel. Don’t worry, you can always reinstall the OneDrive program when done or use the service from of your free Internet browsers. The Internet browser is actually the better way to go as if a virus encrypts the files locally, it will update in the cloud and other synced devices.
Qt5Widgets.dll
You will often see a message about Qt5Widgets.dll is missing and will need to see if Malwarebytes Premium Trial is installed since the company behind Malwarebytes is no longer accepting DAT updates from the Barracuda Malware Removal Tool. This is another service and program that I would get rid of as current versions will scan and detect malware but will not remove them. Second, I have seen an issue where Ricoh MP devices show offline whenever you try to print to it so I no longer recommend keeping the program on your system.
Stephan Pringle
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