Hi, Then I try to run ANY win32-gui apps Dr.Watson catching the following exception: Perl.exe Exception: access violation (0xc0000005), Address <hex number> I running ActiveState Perl v5.6.0 built for MSWin32-x86-multi-thread on NT with Service pack 5. Is any one know that happens ?! Please help. Thanks Eli Guzman PS. The log file is attached.