Yes, @I_Have_Treasure is right, and I wouldn’t do the permanent fix I mentioned.
So if you don’t need to change the user namespace then don’t, I just don’t know of any other way to fix it. Its not a Parrot problem, I think this stems from the Electron version.
You can try by just rebooting your computer, if Simplenotes opens, then great.
Better yet run it in terminal, and see what message you get. If simplenotes doesn’t have the issue I spell out below, then no worries about using the command I mentioned to you.
Brave browser used to have this problem before the Devs fixed, it and you had to run it with --nosandbox flag, or change the usernamespace privilege. Which are both bad for security. This is fixed now.
Heres some examples, Bitwarden used to have fail to open and this is what would spit out in the terminal.
[24472:0925/101718.782996:FATAL:setuid_sandbox_host.cc(157)] The SUID sandbox helper binary was found, but is not configured correctly. Rather than run without sandboxing I’m aborting now. You need to make sure that /opt/Bitwarden/chrome-sandbox is owned by root and has mode 4755.
So in this case, this is easily fixed, just go to /opt/Bitwarden/chrome-sandbox, and do chown root:root, chmod 4755, just like it tells you. No need to change usernsamespace, or remove sandboxing, etc.
On the other hand, here is the error I’d get with standard notes app,
25151:1030/145556.481446:FATAL:setuid_sandbox_host.cc(157)] The SUID sandbox helper binary was found, but is not configured correctly. Rather than run without sandboxing I’m abor
ting now. You need to make sure that /tmp/.mount_standaB0Q8ee/chrome-sandbox is owned by root and has mode 4755.
You can’t go and chown/chmod it because it opens in a tmp folder that doesn’t exist anymore. So until the Devs fix this, If I want to run this program, I still end up having to change and run unprivileged usernamespace, and I do that with the command I mentioned.
If anyone has another way to get around this, I don’t know of any myself. Its either do that or find an alternative app.