Cannot use my account on desktop, only on mobile

Hello
I have an mt5 account that is working on mobile only, the desktop says it’s invalid.

Hi @bitable-adeling-2, thank you for posting your inquiry in Deriv Community. Looking at the screenshot of the error message, you’re not logged in yet. Please follow the instruction in our post to log in to your MT5 account. You may click on the below:

https://community.deriv.com/t/dmt5-login-error-authorization-failed-invalid-account-error-message/25140