MicrosoftWindows 7Windows 8

BusinessMessaging.exe System Error

The following error message is displayed at startup:

BusinessMessaging.exe - System Error 
The program can't start because Qt5Widgets.dll is missing from your computer. Try reinstalling the program to fix this problem.

This can be caused following the uninstallation of Malwarebytes Anti-Malware from a domain joined computer.

To resolve:

(x86)

Open Registry Editor
Browse to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Review and delete the Malwarebytes Anti-Malware key

(x64)

Open Registry Editor
Browse to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run
Review and delete the Malwarebytes Anti-Malware key

or from an elevated PowerShell prompt:

(x86)

Remove-ItemProperty -Name 'Malwarebytes Anti-Malware' -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'

(x64)

Remove-ItemProperty -Name 'Malwarebytes Anti-Malware' -Path 'HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run'

 

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Cory Fiala

Technology and outdoor enthusiast. Currently the sole systems administrator for a local K-12 school district with 800+ staff and 5,500+ students. I support windows servers, Linux systems (FreeBSD and Ubuntu), along with vSphere (4 node cluster). 60+ virtual machines and 8 physical servers. This doesn't include my personal homelab.

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