It seems that SCCM has the same issue:
The date can be changed through this reg value: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\Results
Ideally, this variable could be adjusted after patching detection and after patching deployment.
This has been targetted for the 10.2 release
This uservoice: https://kace.uservoice.com/forums/82699-k1000/suggestions/1883957-progress-bar-when-deploying-patches is flagged as "Completed" but this is not the case.
Thank you for your suggestion. This has been added to the feature request list. We encourage others to vote as we use this input for prioritizing our release plans.
I agree with Radius Authentication as Charles Kruger said. This has been asked here:
It can also apply for all other Kace products.