documents thumbnails disappeared after LOOO 3.5 installation. (tested on Windows 7 x86 and x64) Those dll aren't registered after installation : ooofilt.dll ooofilt_x64.dll shlxthdl.dll shlxthdl_x64.dll After using "regsvr32.exe" on each dll, thumbnails are displayed again. Problem doesn't appeared with LOOO 3.4.x installation.
*** This bug has been marked as a duplicate of bug 46167 ***