Error code: 0xFFFFFFFF - Microsoft Community

i can't activate windows, i'm getting message "error code: 0xffffffff"

i tried using programs nothing works

please me!

hi,

you need product key activate windows.

activate windows 7 or windows 8.1 - windows - microsoft support

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with windows 8/8.1 product key on preinstalled operating systems (hp, acer, etc) embedded in bios in motherboard, lost and/or worn c.o.a. sticker problem no more.

when reinstall pick product key , activate system automatically.

if not or have activation problems, follow these steps:

"how activate windows 8 , 8.1 phone"

http://www.eightforums.com/tutorials/24636-activate-windows-8-phone.html

follow these steps , phone activation , hold on real person assist you.

option 2

activate windows 8.1 phone

1. step 2, 3, 4, 5, or 6 below or able do.

2. press windows + r open rusluisn dialog, type slui.exe 4, press enter, , go step 7 below.

3. open elevated command prompt, type slui.exe 4, press enter, , go step 7 below.

4. open power users tasks menu, click/tap on system, , go step 5a below.

5. open control panel (icons view), , click/tap on system icon.

a) click/tap on activate windows @ bottom right corner under windows activation, , go step 7 below. (see screenshot below)

6. open pc settings, click/tap on activate windows on left side. 

etc.

"get activation errors"

http://windows.microsoft.com/en-us/windows-8/activation-errors

"how activate microsoft product using microsoft product activation center"

http://support.microsoft.com/kb/950929/en-us

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this information may interest if wish to keep record of it:

"windows 10 embedded product key tool"

https://neosmart.net/blog/2014/windows-10-embedded-product-key-tool/

"we’re proud introduce immediate release of our newest utility windows users: neosmart technologies embedded product key tool. designed users of windows 7, windows 8, , windows 10, our embedded product key tool retrieve , display windows setup product key embedded in bios or efi, allowing store safe-keeping or use reinstall windows official windows setup image."

you can use:

"belarc advisor - free personal pc audit (version 8.5c)"

http://www.belarc.com/free_download.html

or:

"product keyfinder"

https://www.magicaljellybean.com/keyfinder/

cheers.

Windows / Windows 8.1 / Install, upgrade, & activate / Activate