Re: Installation Error -5006 : 0x80070002 (Win10)

could be left over files or missed a file in hidden files/folders registry keys  see this for a manual uninstall

http://simswiki.info/wiki.php?title=Game_Help:TS3_Uninstall

and get ccleaner from piriform they have a free version http://www.piriform.com/ccleaner/download that should help with left over files and keys when you download the ccleaner run the cleaner a few times then run the second tab registry a few times 

edit to add link for ccleaner