I recently did an apt-get upgrade and got this error message: Executing RPM (-Uvh)... warning: /var/cache/apt/archives/modutils_2.4.25-78_i586.rpm: V3 DSA signature: NOKEY, key ID 8750d2c4 warning: /var/cache/apt/archives/libapr0_2.0.48-31_i586.rpm: V3 DSA signature: NOKEY, key ID efb694ea warning: /var/cache/apt/archives/gqview_1.3.7-0.pm.1_i586.rpm: V3 DSA signature: NOKEY, key ID cd3140cd Preparing... ########################################### [100%] file /usr/include/valgrind/calltree.h from install of kdesdk3-devel-3.1.94_2004010210-0 conflicts with file from package kcachegrind-0.4.2-49 E: Sub-process /bin/rpm returned an error code (156) What is the problem here? Is NOKEY for these files the problem? The packages are downloaded but not upgraded. Thanks, Jerome