Start error

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Error in startup script
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could not read "C:/tkchat.tcl": no such file or directory
    while executing
"::tcl::tcl_file type C:/tkchat.tcl"
    ("uplevel" body line 1)
    invoked from within
"uplevel 1 [list ::tcl::tcl_file {*}$args]"
    (procedure "::thatch::thatchFileOverride" line 53)
    invoked from within
"file type $script"
    ("uplevel" body line 43)
    invoked from within
"uplevel 1 [thatchExtract $fn $fid]"
    (procedure "::thatch::thatchSourceOverride" line 5)
    invoked from within
"source /tkchat.tcl"
    (file "tkchat-1.482.tcl" line 79)
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OK   
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