What if you pack that command line into a shell script…
Code:
#!/bin/sh
export WINEPREFIX="/home/froggy/.tchaos"
exec wine C:\\windows\\command\\start.exe /Unix /home/froggy/.tchaos/dosdevices/c:/users/Public/Desktop/Time\ \&\ Chaos.lnk
… and refer to this script in your KDE shortcut?
Another alternative: I can imagine that »\&« getting quite fragile during any command line evaluations between the shell and KDE. Since »&« is a special character to tell a shell to process a job in the background, strange things can happen with the filename »Time & Chaos.lnk«. Maybe try making the name this Windows link file safer to parse by renaming it to »timechaos.lnk« and change your wine command-line parameter accordingly? Fingers crossed.
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