I tried to shutclose and open it a few times, but it didn't work.

"close" is a bit more natural than "shut" for an app or webpage.

NextThe following morning, I tried to open YouTube again, but it still had the same issue.

"The following" is a bit clearer that it's the morning after the one you were just discussing, while "Next morning" could mean "Tomorrow morning".

I tried to shutclose and open it a few times, but it didn't work.

I tried to fix it with ChatGPT, but I couldn't fix it, so I just left it for a while.

While grammatically correct, the additional "fix it" is not needed as it's already clear what you're referring to.

NThe next morning, I tried to open YouTube again, but it still had the same issue.

I tried again to fix it with ChatGPT, and I finally fixed itdid after working on it for an hour.

Again, repeating "fix it" isn't grammatically wrong, but it's more economical to use "did" instead when referring to the completion of a verb you've already used.

When I opened YouTube, it just showed me a message like "An error has happenoccurred.

Try again."

"An error has occurred" has become a fixed phrase for error messages, so even if they didn't remember the exact message, a native speaker would use this phrase

I tried to shutting and re-opening it a few times, but it didn't work.

"tried to shut it": attempted to shut it, but it didn't shut
"tried shutting it": attempted to shut it, and it shut, but it didn't solve the problem

I tried to fix it with ChatGPT, but I couldn't fix it, so I just left it for a while.

to avoid repeating "fix it," you could say "but I wasn't able to"

NThe next morning, I tried to open YouTube again, but it still had the same issue.

I'm hopeless with AI, so I always have trouble with thisese kinds of issues.

I couldn't watchALSO POSSIBLE: I couldn't successfully log into YouTube three days ago.

ALSO POSSIBLE: When I opened YouTube, it just showed me a message likethis message was displayed: "An error has happened.

I tried to shut and open itshut down my browser and relaunched my computer a few times, but it didn't work.

I tried to fix it with ChatGPT, but I couldn't fix it, so I just left itresolve the problem with ChatGPT, but was unsuccessful, so I ignored the problem for a while.

When I opened YouTube, it just showed me a message likethat "An error has happenoccured.”

I tried to shut it down and open it again a few times, but it didn't work.

NThe next morning, I tried to open YouTube again, but it still had the same issue.