On 5/20/2018 4:46 PM, Matt Bidwell wrote: > openat(AT_FDCWD, "/usr/lib/libQt5Core.so.5", O_RDONLY|O_CLOEXEC) = 3 This one is not in the 64-bit library location so it is rejected for loading into a 64-bit program. At least if it is following the usual Linux distribution file locations. -- Knowledge is Power -- Power Corrupts Study Hard -- Be Evil