I don't know this bug name so do anyone have solution for this?

Suddenly all of my apps in Fedora workspace 40 xfce doesn’t have minimize or close window button and i can’t adjust the size of an application, but for the firefox it has the minimize and close window button but it didn’t work either!!, i’m new to fedora so any help would be appreciated! thank you

Sounds like xfwm4 has died.

If you can start the terminal you can run the program xfwm4 & and it should bring back the the resize buttons. Do log out as soon as practical and log in again.

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Wow it worked!, thank you so much