Cannot update 18.04

Hi! I have installed 18.04 next to W7 on my new T470 and I get an error message re package management. I cannot update or run apt-get update. It tells me that certain files cannot be accessed. Any thoughts?

Try with sudo apt-get update…

Thx. I played around until it worked. Your suggestion was one of those I used.

If it’s a fresh install, it’s possible security updates are checking / installing in the background.

Check Software & Updates and change “When there are security updates” to “Display immediately” (instead of “download & install automatically”)

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