I run KDE. Most of the time, the Alt-Tab and Alt-F1 key combinations work fine. However, about once a week, they simply stop working, mid-way through a KDE session: that is, they are working fine, then suddenly they become completely ignored by KDE. This appears to be very random: it cannot be tied to anything else happening on the computer at the same time. <br />
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Logging out of the session and logging back in appears to cure the problem, but this is highly inconvenient when you have to close multiple windows and then restart your work. <br />
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I would be grateful for assistance in debugging this.
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