Zhichao Jin
broken packages (update-notifier, update managticer) that disrupts all kind of installation using apt or apt-get or dpkg or even synap - Ask Ubuntu
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Errors were encountered while processing:update-notifier-commonupdate-notifierubuntu-desktopupdate-managerE: Sub-process /usr/bin/dpkg returned an error code (1)
WARNING:root:_pkg_get_support nvidia-driver-510: package has invalid Support PBheader, cannot determine support level - Graphics / Linux / Linux - NVIDIA Developer Forums