affan@Affan-HP-Pavilion-Laptop-15-cu1xxx:~$ sudo gpg --keyserver keyserver.ubuntu.com --recv-keys AB78C60DFB581603

sudo gpg --export AB78C60DFB581603 | sudo tee /etc/apt/trusted.gpg.d/pikaos.gpg > /dev/null

sudo apt update
[sudo] password for affan:
gpg: key AB78C60DFB581603: public key "ferreo <[email protected]>" imported
gpg: Total number processed: 1
gpg:               imported: 1
Ign:1 https://mirror.xeonbd.com/linuxmint.com-repo xia InRelease
Hit:2 https://mirror.xeonbd.com/linuxmint.com-repo xia Release
Hit:3 https://dl.winehq.org/wine-builds/ubuntu jammy InRelease
Get:5 http://security.ubuntu.com/ubuntu noble-security InRelease [126 kB]
Hit:6 https://mirror.gotmyhost.com/ubuntu-archive noble InRelease
Hit:7 https://mirror.gotmyhost.com/ubuntu-archive noble-updates InRelease
Hit:8 https://mirror.gotmyhost.com/ubuntu-archive noble-backports InRelease
Hit:9 https://ppa.launchpadcontent.net/zhangsongcui3371/fastfetch/ubuntu noble InRelease
Hit:10 https://ppa.pika-os.com pikauwu InRelease
Get:11 https://linux.teamviewer.com/deb stable InRelease [11.9 kB]
Err:10 https://ppa.pika-os.com pikauwu InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AB78C60DFB581603
Get:12 http://security.ubuntu.com/ubuntu noble-security/main amd64 Components [21.5 kB]
Get:13 http://security.ubuntu.com/ubuntu noble-security/restricted amd64 Components [212 B]
Get:14 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Components [52.2 kB]
Get:15 http://security.ubuntu.com/ubuntu noble-security/multiverse amd64 Components [212 B]
Fetched 212 kB in 4s (56.5 kB/s)
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
16 packages can be upgraded. Run 'apt list --upgradable' to see them.
N: Skipping acquire of configured file 'main/binary-i388/Packages' as repository 'https://mirror.xeonbd.com/linuxmint.com-repo xia InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'upstream/binary-i388/Packages' as repository 'https://mirror.xeonbd.com/linuxmint.com-repo xia InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'import/binary-i388/Packages' as repository 'https://mirror.xeonbd.com/linuxmint.com-repo xia InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'backport/binary-i388/Packages' as repository 'https://mirror.xeonbd.com/linuxmint.com-repo xia InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'main/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'restricted/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'universe/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'multiverse/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'main/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble-updates InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'restricted/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble-updates InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'universe/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble-updates InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'multiverse/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble-updates InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'main/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble-backports InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'restricted/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble-backports InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'universe/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble-backports InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'multiverse/binary-i388/Packages' as repository 'https://mirror.gotmyhost.com/ubuntu-archive noble-backports InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'main/binary-i388/Packages' as repository 'https://ppa.launchpadcontent.net/zhangsongcui3371/fastfetch/ubuntu noble InRelease' doesn't support architecture 'i388'
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://ppa.pika-os.com pikauwu InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AB78C60DFB581603
N: Skipping acquire of configured file 'main/binary-i388/Packages' as repository 'https://linux.teamviewer.com/deb stable InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'main/binary-i388/Packages' as repository 'http://security.ubuntu.com/ubuntu noble-security InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'restricted/binary-i388/Packages' as repository 'http://security.ubuntu.com/ubuntu noble-security InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'universe/binary-i388/Packages' as repository 'http://security.ubuntu.com/ubuntu noble-security InRelease' doesn't support architecture 'i388'
N: Skipping acquire of configured file 'multiverse/binary-i388/Packages' as repository 'http://security.ubuntu.com/ubuntu noble-security InRelease' doesn't support architecture 'i388'
W: Failed to fetch https://ppa.pika-os.com/dists/pikauwu/InRelease  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AB78C60DFB581603
W: Some index files failed to download. They have been ignored, or old ones used instead.
affan@Affan-HP-Pavilion-Laptop-15-cu1xxx:~$ sudo apt install wine-installer
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 wine-installer : Depends: wine
                  Recommends: wine32
E: Unable to correct problems, you have held broken packages.
affan@Affan-HP-Pavilion-Laptop-15-cu1xxx:~$