Jacek

List callback rule does not have "row context" = row number. By using GET ROW VALUE you can get value in of particular column in current row. Try adding "Form rule to be executed on value change" on list column in Style and behavior tab. I don't know the whole scenario but "Invoke callback rule

Please check the Windows event log on server (Applications and Services Logs > WebCon Workflow) and look for event related to service start. There should be logged reason for entering safe mode. If this is new installation the problem may be related to permissions.

Webcon Service changed values probably because at 11:56 the task of OCR recognition was actualy executed/finished. Screen from history shows that document was manualy moved from step "OCR" to "Weryfikacja OCR" but the OCR recognition task remain in OCR queue. To confirm this you could check resul