A real problem - help me

[MarilynnesMail]

All of a sudden a symbol that looks like a backward paragraph  symbol has 
appeared on all the pages I have saved and on  the ones I am  currently 
writing.     How can  it go away?     With this on all my pages I cannot use  
your program.   
 
Please help me     Marilynne  Newman
                                            949-347-0966