
Even comes up after closing Epicor, deleting all the users personalisations and opening again.

Even comes up after closing Epicor, deleting all the users personalisations and opening again.
Have you manually deleted the cache folder at C:\ProgramData\Epicor?
If that fails, there’s an AppData folder that I’ve cleared in the past that works for odd balls like this.
Type in %AppData% in file explorer. I wanna say it’s in the local folder, then browse around until you find Epicor. Rename the folder within to _old, then try to open Epicor. It should regen that folder you renamed.
We just resolved this by clearing the client cache from a Citrix instance of E10, as the issue was affecting the local client instance.