Why can't I open the software and it can't start? How can I solve it?

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Why can't I open the software and it can't start? How can I solve it?



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Shopify Staff
Shopify Staff
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Hi, @Zhanjingyun

Thanks for reaching out in our Community forums and for sharing your concern, I’d be happy to help.

I'm sorry to hear that you have been experiencing issues accessing your store and receiving a "HTTP Error 400". I’d love to know more about this and provide you with a solution. Have you made any changes to your domain recently? Are you seeing an error message when trying to view your storefront, or when trying to log in? If you’d like, feel free to share your store’s URL or more information about the error you are receiving. 

Depending on the issue, going through the following troubleshooting steps is a good idea to ensure that this is not a local issue:

  • Clear your cache and cookies on your browser. After this, completely reboot the browser.
  • Try a different web browser to rule out any browser issues. 
  • When using incognito, if you are still experiencing a display issue, confirm you have disabled browser extensions as these can change how the pages look. 
  • Try another internet connection (switching to a cellular network on a phone rather than wifi, for example)
  • Ensure you do not have any firewalls or pop up blockers enabled on the device as these can interfere. 

If the issue still persists in the following days, feel free to share more information by replying to this thread, or we’d be happy to continue assisting you through live chat, email, or callback. Please visit our Help Center and log in to your account to create a support request. 

Feel free to let me know if you have more questions!

Mac | Social Care @ Shopify 
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