We had some similar issues lately - we re-installed iACS and updated our Java Runtime to Amazons Corretto Java 21 JRE - and we had no problems since then.

This combination even runs smoothly under the infamous Windows 11 24H2 with Sentinell One.

HTH
Daniel


Am 06.03.2025 um 09:19 schrieb konsult@xxxxxxxxxxxxxxx:

For convenience I use HOD files (created from ACS) to launch specific 5250
sessions for client systems.



While this still works (after some delay) there has been a recent change in
that a window is displayed with a bunch of error codes concerning loading
the Java module.



As I recall this started to appear after an update a little while back.



Any ideas on what (if anything) to do to fix the problem?



Error codes inserted below:



Unable to load 64-bit Java module.

Retrying with Windows_i386-32/acslaunch_win-32.exe

mar 06, 2025 8:42:12 FM java.util.prefs.WindowsPreferences <init>

WARNING: Could not open/create prefs root node Software\JavaSoft\Prefs at
root 0x80000002. Windows RegCreateKeyEx(...) returned error code 5.

mar 06, 2025 8:42:12 FM java.util.prefs.WindowsPreferences
WindowsRegOpenKey1

WARNING: Trying to recreate Windows registry node Software\JavaSoft\Prefs at
root 0x80000002.

mar 06, 2025 8:42:12 FM java.util.prefs.WindowsPreferences openKey

WARNING: Could not open windows registry node Software\JavaSoft\Prefs at
root 0x80000002. Windows RegOpenKey(...) returned error code 2.







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