It's because there are too many softwares installed on that computer, or they don't match and conflict between softwares, or as you said, because some plug-ins that come with the software were installed before, which conflicts with the straight flush, so the straight flush can't start normally.

Solution: Remove some software that you think is possible from that computer, and then try to reinstall it. If it really doesn't work, you can only reinstall the system!

Author: Honghu Workshop (zwq_com)