Windows Server 2008: Veeam Backup & Replication 9.5 Update 4: Event ID 1026: The process was terminated due to an unhandled exception

Environment

• Veeam Backup & Replication 9.5 Update 4
• Microsoft Windows Server 2008 SP2

Content
Upgraded Veeam Backup & Replication 9.5 from Update 3 to Update 4. Got this Error, even .Net Framework 4.6 installed, when started it:

Log Name:      Application
Source:        .NET Runtime
Date:          8/3/2019 17:33:26
Event ID:      1026
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      Server-A.domain.hk
Description:
Application: veeam.backup.shell.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.TypeInitializationException
Stack:
   at System.Windows.Application..ctor()
   at Veeam.Backup.UI.Launcher.CClientLauncherRunner..ctor(Veeam.Backup.UI.Launcher.Vault.CProductHelper)
   at Veeam.Backup.UI.Launcher.CClientLauncherRunner.Run(Veeam.Backup.UI.Launcher.Vault.CProductHelper, Veeam.Backup.UI.Launcher.CServiceConnectionSpec ByRef)
   at VeeamShell.Program.Main(System.String[])

WSUS showing that machine needed KB4041086 & KB4487081:

• 2017-09 Security and Quality Rollup for .NET Framework 2.0, 3.0, 4.5.2, 4.6 on Windows Server 2008 SP2 for x64 (KB4041086)
  
• 2019-02 Security and Quality Rollup for .NET Framework 2.0, 3.0, 4.5.2, 4.6 on Windows Server 2008 SP2 for x64 (KB4487081)

Reviewed if any updates required for that patches. Approved; Installed.

Solved this Error, then.




Update