Same here, 2 synths, one 300+, one <100 photos; one w/ changed thumbnail, one not. finished one 11pm PST last nite, one just a few minutes ago. Go to explorer in Vista and entered "
%temp%\photosynther" (do not use quotes) and log shows:
PSWebClient version 2.0.1519.16
Target: x86 OMP
Running on Windows 6.0.6001 Service Pack 1
Processor: architecture 9 family 6 model 23 stepping 7
Number of processors: 4
Memory available: physical 8190 MB virtual 4095 MB......
14:03:54 VtApp: Collection completed (49% synthy), but isn't avialable for viewing yet.
14:03:54 VtApp: SUCCESS