Package:libc6 Version:2.3.1-1 After upgrading to this package launching wine give this error message wine /mnt/win-c/Program\ Files/Internet\ Explorer/iexplore.exe /usr/bin/wine.bin: relocation error: /usr/bin/../lib/libntdll.dll.so: symbol __libc_fork, version GLIBC_2.1.2 not defined in file libc.so.6 with link time reference Wine failed with return code 127 Downgrading to a to an earlier package version (libc6_2.2.5-15) got wine working again. thank you.