wpf connect destroying

[Sauf]

Anyone else getting this msg? WPF connect destroying? Three times today lost connection with servers with this msg and when I checked the server list the actual servers were still ok with ppl still playing. Below is a copy of the last bit of the log file in case it helps dev's or anyone.

SteamClient: onP2PSessionConnectFail:90083234663212045
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502
net replicate : time : 7436.502

=================================================
System.IO.DirectoryNotFoundException: Could not find a part of the path 'c:\program files (x86)\steam\steamapps\common\il-2 sturmovik cliffs of dover\cache\45006315184484293.jpg'.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access)
at rEy6wuhmPtyURQ2AHSw.EQ5cHEh5gNPyQ9CjMq1.yaN6xSFjc9 m(J7VgZPecXB5MZiTyBug , u97Tx06vHy8U3trsUgN , String , String )
=================================================
-------------- END log session -------------