"Access Denied" errors and applications with COM activation fail
after installing July 2018 Security and Quality Rollup updates for .NET Framework
https://support.microsoft.com/help/4345913/

Microsoft SharePoint, Microsoft BizTalk Server等で7月.NETを入れるとアクセス違反
まず最初に自社製品で動作確認してから.NETリリースしろw