Windowsupdate_00009c59" "windowsupdate_dt000" - windows 7, 7/64 bit - no go for updatye from 9 to 10. there is a bug?! see above. who knows what to do? regards buldi. Update to ie10 fails solved - page 3 - windows 7 help forums, Welcome to windows 7 forums. our forum is dedicated to helping you find support and solutions for any problems regarding your windows 7 pc be it dell, hp, acer, asus. Error 9c59 : installation of ie10 fails on win7 pro x64, Hi, installation of ie10 on windows 7 pro x64 always fails with error code 9c59. "help on this error" shows error code: "windowsupdate_00009c59" "windowsupdate_dt000" i.