Posted 23 Aug 2021 (edited) Hi there! I was working on EPLAN Electric P8 when suddenly, the program stopped working (mouse didn't barely move, couldn't click) which resulted in a blue screen after trying to close the program (didn't manage to force stop of the VMWARE process where I execute it). So, the thing is I can open projects and all, but everytime I close a component window I get this error window: (S275024) Couldn't find setting USER.SYSTEM.GUI.Control.MGGrid.DeviceTagGUI.116.1002.LastIndex.index. And it happens when other different windows (for example when opening Layer Manager I get the same error with LayerManger instead of DeviceTag. Also, if I try to close Eplan by clicking the red X of the window, It won't close. What can I do? There's very little info about this error code in the net and I'm running out of ideas. Thanks in advance! Edited 23 Aug 2021 by Robror Share this post Link to post Share on other sites