This article describes how to resolve the message at Startup:
The program can't start because Qt5Widgets.dll is missing from
your computer. Try reinstalling the program to fix this problem.
Reason for the Message
This problem may occur after removing Malware Bytes due to a run key being left behind which calls programs and DLL's which have been removed. You can resolve this error by removing the program from the run key in the registry.
Steps to Resolve on x64 Machines
1. Open the Registry Editor with the command regedit.exe
2. Navigate to the key:
HKLM\SOFTWARE\Wow6432\Microsoft\Windows\CurrentVersion\Run
3. Review the key and remove any items refering to Malware Bytes or the file "BusinessMessaging.exe"
Steps to Resolve on x86 Machines
1. Open the Registry Editor with the command regedit.exe
2. Navigate to the key:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
3. Review the key and remove any items refering to Malware Bytes or the file "BusinessMessaging.exe"
Additional Information
BusinessMessaging.exe is a part of the Malware Bytes software and this run key may get left behind after removal of Malware Bytes.