In order to have any chance of being able to suggest remedies to this problem we need a lot more detail.

First, please read https://www.magix.info/uk/forum/please-do-the-following-before-posting-your-question--621831/. Although it mentions Movie Edit Pro by name, the information requested applies equally to any Magix product.

Once you have provided all the necessary information we, fellow-users, may be able to offer some advice.

Jeff