https://bugs.winehq.org/show_bug.cgi?id=52974 --- Comment #20 from Maotong Zhang <zmtong1988(a)gmail.com> --- Created attachment 77272 --> https://bugs.winehq.org/attachment.cgi?id=77272 run result app: MuLab App 9.5.34 for Windows (32 bit) wine: wine-9.19(modify) I execute the command as follows: work(a)work:~$ export MULAB9=1 work(a)work:~$ WINEPREFIX=~/mulab-20241017 wine '/home/work/mulab-20241017/drive_c/Program Files/MuLab (32 bit)/MuLab.exe' The running results are shown in the attached image. Check if there is any "mulab" in the running log: fixme:event:handle_wm_protocols Handle: MuLab focus window -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.