The execution list can be automatically cleared in four different ways.
Access this registry entry from the Reporting section of the Settings Editor.
Entry Name: ClearExecutionListPriorToProgramExecution
Entry Type: Integer values. Each bit corresponds to one of the four different automatic clear modes:
0 (zero) - Setting the Current value to 0 prevents the execution list from being cleared
1 - Setting the Current value to 1 clears the execution list when running from the cursor
2 - Setting the Current value to 2 clears the execution list when running from a block
4 - Setting the Current value to 4 clears the execution list when running from a start point
8 - Setting the Current value to 8 clears the execution list when doing a DccMeasure
15 - Setting the Current value to 15 (shown below) clears the execution list for any of the four options listed above