Same conflict error for me brain0, (x86_64) error: could not prepare transaction error: failed to commit transaction (conflicting files) nvidia-utils: /usr/lib/libXvMCNVIDIA_dynamic.so.1 exists in filesystem But more importantly, X fails to start up... here are the last few lines from Xorg.0.log (II) Initializing built-in extension COMPOSITE (II) Initializing built-in extension DAMAGE (II) Initializing built-in extension XEVIE (II) Initializing extension GLX Backtrace: 0: /usr/bin/X(xf86SigHandler+0x6a) [0x49580a] 1: /lib/libc.so.6 [0x2ba54b0aa120] 2: /usr/lib64/tls/libnvidia-tls.so.1 [0x2ba54cddd65e] Fatal server error: Caught signal 11. Server aborting I'm just faced with a black screen. There's no hard lock, and I can still switch tty. So obviously, no signoff from me. Varun