I get this error when trying to upload any sized file!! any ideas??

Warning: filesize() [function.filesize]: stat failed for D:\WINDOWS\TEMP\php56.tmp in D:\---\

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\components\com_comprofiler\plugin\user\plug_cbprofilegallery\cb.profilegallery.php on line 278

Thanks!
Chad

im still getting this error and have no idea why, can anybody help me?