I'm installing Qt to my raspberry pi-4 for image processing project. I use the commands:

sudo apt update
uname -a
apt-cache search qt5
apt-cache show qt5-default
apt-cache search qtcreator
apt-cache show qtcreator


sudo apt-get install qt5-default

it gives error saying that:

E:Unable to fetch some archives,maybe run apt-get update or try with --fix-missing?

How should I fix this error?

  • Did you try the fix? Can you please edit your post to show the output of the commands? If you use apt rather than apt-get it can give you more info (its better for command line use while apt-get is better in scripts). Start with sudo apt update – user115418 Apr 2 '20 at 17:31
  • Hi, I did the editing, Error still exists – Hamid Reza Tavakoli Apr 2 '20 at 19:30
  • What do you get from each of the commands? – user115418 Apr 2 '20 at 20:52
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    @HamidRezaTavakoli, Please add "yes. is raspbian buster, i use update of raspbiab buster and The problem was solved,thanks" as an Answer to your question and mark it as the answer. – MatsK Apr 11 '20 at 4:10
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    @MatsK, how to do it? i don,t know – Hamid Reza Tavakoli Apr 12 '20 at 9:49

I update Raspbian Buster and the problem was solved. From the original Author.

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