Changed this:
# DietPi checks for updates: Allows DietPi to check for updates on a daily basis and boot using a less 1 KiB file download.
CONFIG_CHECK_DIETPI_UPDATES=1
to:
# DietPi checks for updates: Allows DietPi to check for updates on a daily basis and boot using a less 1 KiB file download.
CONFIG_CHECK_DIETPI_UPDATES=1
# Daily check for APT package updates: 0=disable | 1=check only | 2=check and upgrade automatically
# - Upgrade logs can be found at: /var/tmp/dietpi/logs/dietpi-update_apt.log
CONFIG_CHECK_APT_UPDATES=2
and deleted CONFIG_CHECK_APT_UPDATES=2 from the end of the file.
Seems OK now and I now how to disable
THX!!!