Windows 7 update error code: 80070643 and 80071a91, My os is windows 7 home premium. for some reason my computer cannot install the following updates and i get an error code of error code: 80070643 and. Windows 7 - error code 80071a91 when running windows, I recently bought a new pc (after a disc failure in my old system) which came with windows 7 pre-installed. as part of my setup process, i downloaded. Solved vista update kb978207 error 80071a91, I am trying install windows vista update: cumulative security update for internet explorer (kb978207) and everytime i try, i get error code 80071a91 the help link was.
Unable to install windows updates, error code 80071a91, I keep getting this error, and following error message when you try to install a windows update, a hotfix, or a service pack after you perform system restore in. Getting an activation error code '0x8007007b' from windows 7, Hi, after performing clean installation of windows 7, i am unable to activate my windows 7. i am getting an error code 0x8007007b if trying to. Windows 7: w7 update failure loop, error code 80070643, Hi i presented this windows update problem, error code 80070643 to the forum about 18 months ago, and at that time i decided to reinstall windows 7 as it was the.