Hi Expert
https://www.xspdf.com/resolution/54761545.html#:~:text=How%20to%20reinstall%20using%20rpm,%2Divh%20%2D%2Dforce%20%5Byourpackage.
I am new to linux . But I find kb in above web. And I will reinstall it by the following method. But the prompt is the file is installed and don't change...