Acer recover problem?

I have 4 recovery disk and i used all 4 worked successfully but when it gets to the point after, " please wait, we're configuring your computer for first use" where it says software installation when logged in as administrator it gets stuck at 21/22 which is " installing clean up" i tried... show more I have 4 recovery disk and i used all 4 worked successfully but when it gets to the point after, " please wait, we're configuring your computer for first use" where it says software installation when logged in as administrator it gets stuck at 21/22 which is " installing clean up" i tried recovering without the disk and it got stuck at 40/41 which is also " installing clean up" can anyone help me with this? without contacting anyone or taking it into the shop.
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