Activity for matt8m8https://forge.codesys.com/u/matt8m8/activity/2025-08-02T11:13:19.209000ZRecent activity for matt8m8matt8m8 modified a comment on discussion Engineering 🇬🇧2025-08-02T11:13:19.209000Z2025-08-02T11:13:19.209000Zmatt8m8https://forge.codesys.com/u/matt8m8/profile/https://forge.codesys.com/forge/talk/Engineering/thread/fd06165da6/?limit=25#170fHello, I have similar issue - installed CODESYS 64 3.5.21.10 on clean Win10 VM (virtualbox). Windows defender switched off, no additional antivirus. Codesys installer not starting (normal user and admin). No errors displayed. Windows event log screen in attachment.matt8m8 posted a comment on discussion Engineering 🇬🇧2025-08-02T11:12:48.887000Z2025-08-02T11:12:48.887000Zmatt8m8https://forge.codesys.com/u/matt8m8/profile/https://forge.codesys.com/forge/talk/Engineering/thread/fd06165da6/?limit=25#170fHello, I have simillar issue - installed CODESYS 64 3.5.21.10 on clean Win10 VM (virtualbox). Windows defender switched off, no additional antivirus. Codesys installer not starting (normal user and admin). No errors displayed. Windows event log screen in attachment.