yichael_gamehall/media/web.config

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <caching enabled="false" enableKernelCache="false">
            <profiles>
                <add extension=".png" policy="DontCache" kernelCachePolicy="DontCache" />
            </profiles>
        </caching>
    </system.webServer>
</configuration>