If dlltool is missing, probably other parts of the toolchain are missing, and 1 out of 75 files required in the /c/bin folder for strawberry won't solve it. I think the OP will be back with more problems soon.
Re^2: cpan dies for bad dlltool & dmake.exe
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That is very well possible, but one can only help to solve the known problems as they are reported.
Or one can use the "Helpdesk" method:
Reset your computer
If the above fails: Re-install your application
If the above fails: Re-install Windows
If the above fails: Get a new PC
A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James