Thank you for reaching out to us on the Microsoft Q&A forum.
It sounds like you're encountering a temporary issue with the Azure Cloud Shell service.
Here are a few steps to help resolve this problem:
1.Please visit the (https://status.azure.com/) to verify if there are any ongoing issues with the Cloud Shell service in your region.
2.It appears the service may be temporarily unavailable. Please try accessing Cloud Shell again after some time.
3.If the issue persists, try using Cloud Shell in a different region. Certain regions may experience service disruptions.
4.Please clear your browser’s cache and cookies, then attempt to access Cloud Shell again. You may also try using a different browser or device to rule out any local issues.
5.If the Cloud Shell is unavailable, please consider installing the Azure CLI on your local machine by following the official installation guide for your OS.
Alternatively, you can use the built-in CLI or execute commands through the Azure Portal interface.
6.If the issue still persists, please follow the Cloud Shell Troubleshooting guide provided by Microsoft for detailed steps and support options
If it appears to be an issue on our side, you can submit a support ticket create a support ticket to notify us of the service disruption.
Just now, we attempted from our end again, and everything appears to be working fine. Please see the screenshot provided for reference.
Should you find this information helpful, kindly express your acknowledgment by clicking the "Upvote" and "Accept Answer" buttons on the post.
If challenges persist, please attach relevant screenshots for further assistance, ensuring all privacy details are concealed before posting.
Thank you.