Can't locate loadable object for module Tk::Canvas in @INC (@INC contains: C:\Us
ers\Bill\Perl\lib C:/Strawberry/perl/site/lib/MSWin32-x64-multi-thread C:/Strawb
erry/perl/site/lib C:/Strawberry/perl/vendor/lib C:/Strawberry/perl/lib) at C:\U
sers\Bill\projects\fractal\mandelbrotTk.pl line 25.
Compilation failed in require at C:/Strawberry/perl/site/lib/Tk/Widget.pm line 
268.