I get this error about every 5 minutes

Exception EOleSysError in "SocketDataAvailable"
Bytes read:73
Total bytes read:73
Exception message:Invalid class string
Connection type:100
Connection buffer length:73
Connection buffer offset:0
Received packet:
474956203131353937303137353A433041383136

3443304138313634433041383136344330413831

36342F517565656E202D2057652057696C6C2052

6F636B20596F752E6D70330A0A