Please help I'm getting an error in update manager

[Anonymouz13]

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System:
  Kernel: 5.4.0-124-generic x86_64 bits: 64 compiler: gcc v: 9.4.0 
  Desktop: Cinnamon 5.2.7 wm: muffin 5.2.1 dm: LightDM 1.30.0 
  Distro: Linux Mint 20.3 Una base: Ubuntu 20.04 focal 
Machine:
  Type: Laptop System: Apple product: MacBookPro8,1 v: 1.0 serial: <filter> 
  Chassis: type: 10 v: Mac-94245B3640C91C81 serial: <filter> 
  Mobo: Apple model: Mac-94245B3640C91C81 v: MacBookPro8,1 serial: <filter> 
  UEFI: Apple v: 87.0.0.0.0 date: 06/13/2019 
Battery:
  ID-1: BAT0 charge: 22.2 Wh condition: 66.8/65.4 Wh (102%) volts: 10.3/10.9 
  model: SMP bq20z451 type: Li-ion serial: N/A status: Discharging 
  cycles: 79 
CPU:
  Topology: Dual Core model: Intel Core i5-2415M bits: 64 type: MT MCP 
  arch: Sandy Bridge rev: 7 L2 cache: 3072 KiB 
  flags: avx lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 18357 
  Speed: 798 MHz min/max: 800/2900 MHz Core speeds (MHz): 1: 798 2: 798 
  3: 798 4: 799 
Graphics:
  Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics 
  vendor: Apple driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:0126 
  Display: x11 server: X.Org 1.20.13 driver: modesetting 
  unloaded: fbdev,vesa resolution: 1280x800~60Hz 
  OpenGL: renderer: Mesa DRI Intel HD Graphics 3000 (SNB GT2) 
  v: 3.3 Mesa 21.2.6 compat-v: 3.0 direct render: Yes 
Audio:
  Device-1: Intel 6 Series/C200 Series Family High Definition Audio 
  driver: snd_hda_intel v: kernel bus ID: 00:1b.0 chip ID: 8086:1c20 
  Sound Server: ALSA v: k5.4.0-124-generic 
Network:
  Device-1: Broadcom and subsidiaries NetXtreme BCM57765 Gigabit Ethernet 
  PCIe 
  driver: tg3 v: 3.137 port: efa0 bus ID: 02:00.0 chip ID: 14e4:16b4 
  IF: enp2s0f0 state: down mac: <filter> 
  Device-2: Broadcom and subsidiaries BCM4331 802.11a/b/g/n 
  vendor: Apple AirPort Extreme driver: wl v: kernel port: efa0 
  bus ID: 03:00.0 chip ID: 14e4:4331 
  IF: wlp3s0 state: up mac: <filter> 
Drives:
  Local Storage: total: 465.76 GiB used: 180.80 GiB (38.8%) 
  ID-1: /dev/sda vendor: Samsung model: SSD 860 EVO 500GB size: 465.76 GiB 
  speed: 6.0 Gb/s serial: <filter> rev: 2B6Q scheme: GPT 
Partition:
  ID-1: / size: 456.89 GiB used: 90.40 GiB (19.8%) fs: ext4 dev: /dev/sda2 
Sensors:
  System Temperatures: cpu: 69.0 C mobo: N/A 
  Fan Speeds (RPM): N/A 
Repos:
  No active apt repos in: /etc/apt/sources.list 
  Active apt repos in: /etc/apt/sources.list.d/brave-browser-release.list 
  1: deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg arch=amd64] https://brave-browser-apt-release.s3.brave.com/ stable main
  Active apt repos in: /etc/apt/sources.list.d/google-chrome-unstable.list 
  1: deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main
  No active apt repos in: /etc/apt/sources.list.d/google-chrome.list 
  Active apt repos in: /etc/apt/sources.list.d/microsoft-edge.list 
  1: deb [arch=amd64] https://packages.microsoft.com/repos/edge/ stable main
  Active apt repos in: /etc/apt/sources.list.d/microsoft-prod.list 
  1: deb [arch=amd64,arm64,armhf] https://packages.microsoft.com/debian/11/prod bullseye main
  Active apt repos in: /etc/apt/sources.list.d/nordvpn.list 
  1: deb https://repo.nordvpn.com//deb/nordvpn/debian stable main
  Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 
  1: deb http://packages.linuxmint.com una main upstream import backport #id:linuxmint_main
  2: deb http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse
  3: deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
  4: deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
  5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
  6: deb http://archive.canonical.com/ubuntu/ focal partner
  Active apt repos in: /etc/apt/sources.list.d/signal-xenial.list 
  1: deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main
  Active apt repos in: /etc/apt/sources.list.d/waydroid.list 
  1: deb [signed-by=/usr/share/keyrings/waydroid.gpg] https://repo.waydro.id/ una main
Info:
  Processes: 319 Uptime: 1d 9h 43m Memory: 9.64 GiB used: 3.78 GiB (39.2%) 
  Init: systemd v: 245 runlevel: 5 Compilers: gcc: 9.4.0 alt: 8/9 
  Shell: bash v: 5.0.17 running in: gnome-terminal inxi: 3.0.38 

[sleeper12]

Try a different mirror in Software Sources.

[all41]

Yes--
Your mirrors my have been temporarily down.
copy/paste the following into a terminal window:

Code: Select all

apt update

If errors are shown copy/paste the entire terminal results back to this thread.
Ask for help if you are confused or need step by step

[Anonymouz13]

I did change the servers as suggested to ones that are faster and close to me geographically but I still get errors.

Here is the output from the terminal:

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Hit:1 http://mirror.arizona.edu/ubuntu focal InRelease
Hit:2 http://mirror.arizona.edu/ubuntu focal-updates InRelease                 
Hit:3 http://mirror.arizona.edu/ubuntu focal-backports InRelease               
Ign:4 https://mirrors.ocf.berkeley.edu/linuxmint-packages una InRelease        
Hit:5 https://brave-browser-apt-release.s3.brave.com stable InRelease          
Hit:6 https://updates.signal.org/desktop/apt xenial InRelease                  
Hit:7 https://packages.microsoft.com/repos/edge stable InRelease               
Hit:8 https://mirrors.ocf.berkeley.edu/linuxmint-packages una Release          
Hit:9 https://dl.google.com/linux/chrome/deb stable InRelease                  
Hit:10 https://repo.nordvpn.com//deb/nordvpn/debian stable InRelease           
Hit:11 https://packages.microsoft.com/debian/11/prod bullseye InRelease        
Get:12 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]     
Hit:13 http://archive.canonical.com/ubuntu focal InRelease                     
Ign:14 https://repo.waydro.id una InRelease                                    
Err:15 https://repo.waydro.id una Release                 
  404  Not Found [IP: 205.185.118.53 443]
Reading package lists... Done
E: The repository 'https://repo.waydro.id una Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

[MiZoG]

Problem caused by a third-party repo for Waydroid not by Mint/Ubuntu mirrors.

Open your software sources, find the repository and change una to focal