Hi Zdenek,
Can you please provide the following information:
1) Blue Prism version
2) Windows O/S name, edition, and bitness
3) Java version that you use in Windows > snapshot of Control Panel > Java Control Panel > Java tab > View
4) IBM host version and bitness (snapshot)
5) Snapshot IBM host
Once you send the above information, I will investigate and will let you know.
Best regards
Hossein Azimi
Customer Support Engineer APJ