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I migrated from windows 10 and did a Fresh install of Ubuntu Studio on my acer laptop with amd processor

cn flag
COGx

Migrating from Windows10 to Ubuntu Studio has been very challenging from the start. I do not trust Microsoft nor Google, so I decided to migrate my online computing life to other platforms so I can have more control (within reason of course).

I have tried installing Ubuntu studio three times. The first thing I want to note is that I am unable to shutdown or restart the machine without it showing an error and quitting execution all together forcing me to due a hard reset. Sometimes it barely boots up at all. Also today a attempted to do an update in the terminal and the updates application, both give errors saying:

N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
E: The repository 'http://archive.ubuntu.com/ubuntu impish InRelease' is not signed.
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/impish/InRelease  Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
E: The repository 'http://security.ubuntu.com/ubuntu impish-security InRelease' is not signed.
E: Failed to fetch http://security.ubuntu.com/ubuntu/dists/impish-security/InRelease  Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/impish-updates/InRelease  Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: The repository 'http://archive.ubuntu.com/ubuntu impish-updates InRelease' is not signed.
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.
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/impish-backports/InRelease  Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: The repository 'http://archive.ubuntu.com/ubuntu impish-backports InRelease' is not signed.
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.

Also sometimes Firefox doesn't work at all.

My question is, is the aforementioned an intermittent issue or what is going on. Thank you I just want to get my system running and stable please help.

Thank you very kindly :-)

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my flag
Someone
Welcome to Ask Ubuntu! As it is currently written your question includes more than one problem. Please [edit] your question to make the question more clear and focused. Also [edit] to include the output of `lsb_release -a` so that we can know on which version of Ubuntu you are on. Please post the output of `cat /etc/apt/sources.list` so that we can know what repositories you're using. Also include the output of `free -h` so that we can know about your ram and memory. Thanks.
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in flag
matigo
Could you also [edit] your question to include: (0) the version of Ubuntu Studio you're installing, (1) the model of your Acer computer (2) some hardware specifications (CPU/RAM/etc.). With this, it may be possible to explain some of the challenges you've faced.
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