Hi all, here is what i did to fix this issue for Active State Perl:

C:/perl/bin/perl.exe -MCPAN -e shell

Then:

cpan> upgrade File::IO

Sorry i didn't capture the output - i was a little bit annoyed and impatient. But it worked.

For Strawberry was no upgrade available.

To figure out this issue (two Perl installations on same system), i will throw away all Perl on my box and restart with Active State Perl.

Regards, Karl