Hi,
Please translate your messages into English. You can use Google Translate, for example.
Let me know - do you have a PC or Mac?
Check an exact version of PTE AV Studio in the About window. If it isn't v11.0.18, I highly recommend to download and install the latest version from WnSoft website:
https://www.wnsoft.com/en/pte-av-studio/download/
If it doesn't help, restart your computer and try again.