I did the in-place upgrade to Qubes 4.2 and all my app Qubes are working well by now. However, I now see the notification that there are some updates to several app qubes. But clicking on Update
starts the process and gives me the following error for every single app qube (except for the debian-12 template which I selected individually and then it worked).
Updating Z-brave
Refreshing package info
Refreshing packages.
Fail to refresh InRelease: https://deb.qubes-os.org/r4.2/vm bookworm InRelease from https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease
Fail to refresh InRelease: https://deb.debian.org/debian bookworm InRelease from https://deb.debian.org/debian/dists/bookworm/InRelease
Fail to refresh InRelease: https://brave-browser-apt-release.s3.brave.com stable InRelease from https://brave-browser-apt-release.s3.brave.com/dists/stable/InRelease
Fail to refresh InRelease: https://deb.debian.org/debian-security bookworm-security InRelease from https://deb.debian.org/debian-security/dists/bookworm-security/InRelease
Fail to refresh InRelease: https://deb.qubes-os.org/r4.2/vm bookworm InRelease from https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease
Fail to refresh InRelease: https://deb.debian.org/debian bookworm InRelease from https://deb.debian.org/debian/dists/bookworm/InRelease
Fail to refresh InRelease: https://brave-browser-apt-release.s3.brave.com stable InRelease from https://brave-browser-apt-release.s3.brave.com/dists/stable/InRelease
Fail to refresh InRelease: https://deb.debian.org/debian-security bookworm-security InRelease from https://deb.debian.org/debian-security/dists/bookworm-security/InRelease
Fail to refresh InRelease: https://deb.qubes-os.org/r4.2/vm bookworm InRelease from https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease
Fail to refresh InRelease: https://deb.debian.org/debian bookworm InRelease from https://deb.debian.org/debian/dists/bookworm/InRelease
Fail to refresh InRelease: https://brave-browser-apt-release.s3.brave.com stable InRelease from https://brave-browser-apt-release.s3.brave.com/dists/stable/InRelease
Fail to refresh InRelease: https://deb.debian.org/debian-security bookworm-security InRelease from https://deb.debian.org/debian-security/dists/bookworm-security/InRelease
Fail to refresh InRelease: https://deb.qubes-os.org/r4.2/vm bookworm InRelease from https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease
Fail to refresh InRelease: https://deb.debian.org/debian bookworm InRelease from https://deb.debian.org/debian/dists/bookworm/InRelease
Fail to refresh InRelease: https://brave-browser-apt-release.s3.brave.com stable InRelease from https://brave-browser-apt-release.s3.brave.com/dists/stable/InRelease
Fail to refresh InRelease: https://deb.debian.org/debian-security bookworm-security InRelease from https://deb.debian.org/debian-security/dists/bookworm-security/InRelease
Refreshed.
E:Failed to fetch https://deb.debian.org/debian/dists/bookworm/InRelease Reading from proxy failed - read (115: Operation now in progress) [IP: 127.0.0.1 8082], E:Failed to fetch https://deb.debian.org/debian-security/dists/bookworm-security/InRelease Reading from proxy failed - read (115: Operation now in progress) [IP: 127.0.0.1 8082], E:Failed to fetch https://brave-browser-apt-release.s3.brave.com/dists/stable/InRelease Reading from proxy failed - read (115: Operation now in progress) [IP: 127.0.0.1 8082], E:Failed to fetch https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease Reading from proxy failed - read (115: Operation now in progress) [IP: 127.0.0.1 8082], E:Some index files failed to download. They have been ignored, or old ones used instead.
I have tried restarting my PC already and I am generally online.