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Hello, I recently just update playonlinux to version 4.1.9 and tried to open league of legends but once I do immediately it gives me an error saying 

Here's what pops up in the debug window:

Running wine-1.5.18-LoL-updated2 rads_user_kernel.exe run lol_launcher 0.0.0.0 LoLLauncher.exe (Working directory : /home/davidw1339/.PlayOnLinux/wineprefix/LeagueOfLegends/drivewine client error:0: version mismatch 438/437.
Your wine binary was not upgraded correctly,
or you have an older one somewhere in your PATH.
Or maybe the wrong wineserver is still running?

Hi,
It means there's a Wine server running somewhere in background, and is usually the consequence of a crash, not the reason.
Kill a Wine processes (Configure button > (select virtual drive) > Wine tab > Kill all processes), or better yet restart PlayOnLinux and retry.
If you want useful debug info, run in debug mode on first try, because on latter tries you may encounter the same issue.

Where does this wine-1.5.18-LoL-updated2 come from by the way?

Thanks for replying,
I tried restarting playonlinux and going under the wine tab to kill all processes but still league of legends won't start. I used other versions of wine and they work but the problem is that whenever I get in game and click on the shop the game will crash. That is why I use the wine-1.5.18-Lol-updated2 thing which has worked flawlessly until now.