Dear Chris, i had a similar issue. I followed the instructions of QGIS.org, but my computer got stuck with 3.44.7.
The day after, rebooting my machine and lauching from terminal "upgrade+update" and "fix install" i solved the problem and now QGIS 4.0 is working perfectly. Cheers, Manolo On Thu, Mar 12, 2026 at 6:50 PM chris hermansen via QGIS-User < [email protected]> wrote: > Hello and apologies for cross-posting; > > This morning (Pacific daylight time) my automated Ubuntu 25.10 apt upgrade > to QGIS 4.0 failed with the following two issues: > > Title > package python3-qgis 1:3.44.7+43questing [origin: QGIS project] failed > to install/upgrade: > ErrorMessage > trying to overwrite '/usr/share/qgis/python/qsci_apis/PyQGIS.api' which > is also in package python3-qgis-common (1:3.44.7+43questing) > > and > > Title > package qgis-providers 1:3.44.7+43questing [origin: QGIS project] > failed to install/upgrade: > ErrorMessage > trying to overwrite '/usr/lib/qgis/plugins/libauthmethod_oauth2.so' > which is also in package qgis (1:3.44.7+43questing) > > I did not look deeply into the cause for this (as a wild guess, something > about the apt configuration), but I did determine: > > 1. a way to avoid it; > 2. a way to work around it once not avoided. > > In terms of avoiding it: > > 1. once computer is booted and running and BEFORE running daily / > weekly software updates / upgrades > 2. uninstall qgis 3.44 > 3. use apt autoclean && apt autoremove -f to remove all 3.44 > dependencies > 4. run daily / weekly software updates / upgrades > 5. install qgis 4.0 > > If, like me, you ran your daily / weekly updates / upgrades and the > upgrade broke, here is what worked for me: > > 1. uninstall qgis 3.44 and qgis 4.0 > 2. use apt autoclean && autoremove -f to remove all 3.44 dependencies > 3. re-run daily / weekly software updates / upgrades > 4. install qgis 4.0 > > > -- > Chris Hermansen · clhermansen "at" gmail "dot" com > > C'est ma façon de parler. > _______________________________________________ > QGIS-User mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >
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