Specifically, when there is keyboard input, the mouse buttons don't respond. I have no idea what the problem might be; I didn't have this problem before I reinstalled Windows. I've tried basic Deus Ex, Deus Ex Enhanced with Kentie's launcher, and the Steam version; all of them do this. I have a Dell Latitude D620 laptop, and I'm using the integrated keyboard, plus a Microsoft Comfort Optical Mouse 3000 (but the problem persists on the buttons of the internal touchpad.)
Has this happened to anyone else?
GOG/Steam version: Input problem
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