I am using protege4.0.2, in that i have a problem to open the owlviz tab, it throw an error "A DOT error has occurred"
so i download the Graphviz from "http://www.graphviz.org/"-->download->windows-->"graphviz-2.34.zip" ,then i set the dot file path to the owlviz in protege but the owlviz tab be in blank and it throw the following error:
Error 39 Logged at Sat Jan 04 18:14:11 IST 2014
TokenMgrError: Lexical error at line 1, column 58. Encountered: (46), after :