In some situations the client application may work incorrectly on certain computers where an integrated Intel graphic chip (Intel HD Graphics) is installed. This may result in noticeable frames per second drop or incorrect video playback. In this case it may help to disable the blur effect in client settings.
To do so, choose Local Settings (Advanced tab), then check Disable blur, and click Apply or OK. The DW Spectrum client must be restarted for this change to take effect.
IMPORTANT! Do not disable blur unless the graphic adapter is from Intel and you are experiencing graphic issues.