Roaming profiles don't get deleted on logoff - ZR45XX.tmp
If you’ve configured your Citrix or Terminal Servers to delete profiles on log-off, and they don’t due to “Z@R45xx.tmp” files lingering behind, it’s due to Adobe Reader and printing (thanks Adobe /s)
Create ‘acroct.ini’ in c:\windows with the below contents:
Source [here]: https://www.serverknowledge.net/remote-desktop-services/local-profile-folder-contains-user-domain-000-user-domain-001-folders/