rutgerg
Обратите внимание на настройки dxreminders, если они есть (пункт автостарта).
[waldy@archlinux ~]$ ls /home/waldy/.config/autostart
at-spi-dbus-bus.desktop  dxreminder.desktop
[waldy@archlinux ~]$ ls /home/waldy/.dxreminders/
dxreminders.ini  reminders.db
[waldy@archlinux ~]$ cat /home/waldy/.dxreminders/dxreminders.ini
[General]
startOnLogin=0
startAtTray=1
hideTrayIcon=0
silentMode=0
encrypt=0
pk=23jwsvld@lZ
closeDayDialog=0
rightclickNewevent=0
[GUI]
x=-1
y=-1
w=750
h=450
iconize=0
notaskbar=0
daydialogW=472
daydialogH=312
[LOOK]
look=0
resize=1
showNote=0
[CALENDAR]
calForeground=white
calBackground=rgb(45, 45, 45)
calHolidayFg=rgb(33, 105, 206)
calHolidayBg=rgb(45, 45, 45)
calHighlightFg=white
calHighlightBg=rgb(21, 83, 158)
calReminder=rgb(0, 128, 0)
calRecurrence=rgb(255, 165, 0)
calWeekendFg=red
calWeekendBg=rgb(45, 45, 45)
calFont=DejaVu Sans 12
calMiniFont=DejaVu Sans 8
calendarToday=1
showWeekNumber=0
[EVENTS]
colEventWidth=160
colDateWidth=160
colDateShow=1
colReminderWidth=160
colReminderShow=1
colRecurrenceWidth=160
colRecurrenceShow=1
oddMonth=rgb(45, 45, 45)
evenMonth=rgb(200, 200, 200)
highlightFg=white
highlightBg1=red
highlightBg2=rgb(0, 128, 0)
highlightBg3=blue
highlightBg4=rgb(255, 165, 0)
highlightBg5=rgb(173, 216, 230)
disableColors=0
eventsFont=DejaVu Sans 10
alwaysNone=0
alwaysOncenotdelete=0
hideDonotdelete=0
hidden=1
[FORMAT]
layout=0
date=%x
time=%X
useAMPM=0
[HOLIDAYS]
easternMonday=0
easternFriday=0
remindHoliday=0
remindHolidayDays=1
remindHolidayTime=10:00:00
remindHolidayLast=1976-03-21
easternMondayReminded=2020
easternFridayReminded=2020
[REMINDER]
reminderTime=2
reminderPresetTime=09:00:00
reminderMinutes=15
[FILTER]
filter=0
eventfilterAction=5
eventfilterValue=
eventfilterUsage=0
datefilterAction=3
datefilterValue=2022-03-08
datefilterUsage=0
reminderfilterAction=2
reminderfilterValue=0|0|0
reminderfilterUsage=0
recurrencefilterValue=0
recurrencefilterUsage=0
timefilterYears=0
timefilterMonths=0
timefilterWeeks=0
timefilterDays=0
timefilterHours=0
timefilterMinutes=0
timefilterUsage=0
hiddenfilterUsage=0
lastFilter=0
[EVENT]
defaultReminder=0
defaultRecurrence=0
[waldy@archlinux ~]$

В данный момент "Галачка" в Автостарт(е) снята, программу запускаю вручную.