If you have e-filed your tax return and need to change the information on the tax return then you will need to wait for the tax return to either be accepted or rejected by the IRS.
If the tax return is rejected then you can make your changes and re-file the tax return.
If the tax return is accepted then you will have to amend the tax return to make your changes. An amended tax, Form 1040X, return can only be printed, signed, dated and mailed by you to the IRS, it cannot be e-filed. The IRS will take up to 4 months to process the amended tax return. Wait until you have received the tax refund or the taxes owed have been paid and processed by the IRS before amending the tax return.

Can I refile with a diffrent software or what happends if I try doing that? Theres no way of canceling my return?

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@Epinedo760 wrote:

Can I refile with a diffrent software or what happends if I try doing that? Theres no way of canceling my return?

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Once a tax return has been e-filed it cannot be canceled, retrieved or changed.

Since the IRS is in the process to open up for the 2019 tax returns on January 27, filing another tax return will probably be rejected if this return has been accepted by the IRS.  But that is your choice to try.