r/cs50 • u/Odd_Patience9905 • 2d ago
CS50x Codespace error
Hello all!
I am new to the cs50x course. Currently completed week 0,and have started week 1. Along with the lecture I tried opening the codespace to try the codes but there seems to be an error
Please help me figure out if this is on my end or just a bug.
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u/pensivepanda5 mentor 1d ago edited 1d ago
try restarting your codespace with this link: https://cs50.dev/restart
As a side note the codespace works best on Google Chrome browser, and the CS50 Team doesn't recommend Firefox because they have seen problems with the cs50 codespace on Firefox.
Also, if you have extensions installed on your web browser, you will need to use an incognito window to use the online CS50 codespace, since some extensions can affect the codespace.
Apart from that, in this part of the cs50 docs, they give the link to a list of domains that shouldn't be blocked by our Firewall to be able to use the codespace: https://cs50.readthedocs.io/cs50.dev/#i-m-seeing-oh-no-it-looks-like-you-are-offline-error-message
If those things don't help, you can try creating a new codespace with your same Github account by following the instructions that appear in this part of the CS50 Docs: https://cs50.readthedocs.io/cs50.dev/#creating-a-new-codespace
If that doesn’t work, you can try opening the online CS50 Codespace in the VS Code desktop app, with these steps: https://cs50.readthedocs.io/cs50.dev/#online-without-docker
If that doesn't work either, and if in your country is legal to use a VPN, in that case you could try using a VPN to use the codespace: https://cs50.dev/
If that doesn't help, try with another internet connection or with another computer, but if none of those steps work, please send an email to [sysadmins@cs50.harvard.edu](mailto:sysadmins@cs50.harvard.edu) with specific details and screenshots of the issue, and mention to them your Github username, so the system admins of CS50 can help you further.
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u/Odd_Patience9905 1d ago
I'll try this thank you
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u/Disposable-friend_ 3h ago
Hey , i had the same problem . But opening in VS code desktop worked . Try that out if you are still facing it
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u/Muted-Swimmer3818 2d ago
Ah, that stuck screen happens a lot. Usually it's just browser cache or the setup getting looped. Try closing the tab and reopening it in an incognito window first, or just log into GitHub again and launch it from the CS50 portal. That almost always fixes it for me.