COmputer Tags: Windows 7 Computers Windows Vista Last response: December 11, 2012 1:00 AM in Windows 7 Share jhorgz December 11, 2012 12:26:03 AM I have a laptop with pre installed Vista on it. i upgrade it to windows 7 ultimate. after installation i am trying use the product key of my windows 7 ultimate but it always failed. it says "error code 0xC004E003.... how to fix it? thank you.... More about : computer austing December 11, 2012 1:00:38 AM If you weren't able to Validate, proceed as follows: 1. Download this diagnostic tool, saving it to your desktop: http://go.microsoft.com/fwlink/?linkid=56062 => WinXP: Double-click on the executable to run the tool. => Vista & Win7: Right-click on the executable and select Run as Administrator to run the tool. 2. After running the tool, click on the Windows tab and then click on Copy (to clipboard). NB: You may want to open a new Notepad file, paste the contents of your clipboard into it & save for future reference. 3. Begin a new thread in the following Microsoft Genuine Advantage forum and paste the results from the WGA Diagnostic Data tool and/or OGA Diagnostic Data tool in a detailed post: http://social.microsoft.com/Forums/en-US/genuinewindows... 4. A troubleshooting specialist will analyze the data and recommend an appropriate solution. m 0 l Can't find your answer ? Ask ! Publish Related resources Solvedwill moving everything to program files speed up my computer? Forum SolvedNeed gaming computer Forum SolvedWD Elements external hdd is recognized but doesn't show up in My Computer Forum SolvedHow subwoofer vibration affect computer hardware? Forum Solved3D Rendering/modelling/animation computer approx $800 Forum SolvedHelp me buy the right Power Supply for my computer Forum SolvedBuying a computer Forum SolvedUpgrading the computer, PSU? Forum SolvedInstall Widows from another computer? Forum SolvedIs there a way to move a windows activation key from one computer to another? Forum SolvedSuggestions for computer build - Video editing, rendering, gaming Forum SolvedExremely Low FPS, High End Computer Forum SolvedNeed a gaming computer Forum SolvedLet's get this computer down to $800 Forum SolvedIs this computer worth 500? Forum SolvedJust restored my computer to factory settings, now it's all messed up! Forum Solvedwhen I open my computer screen show bootmgr is compressed,press ctrl+alt+del.how to fix this problem without cd Forum SolvedMy Computer has a problem Forum SolvedHELP ! Computer turns on , nothing on the screen , power button blinking (Flashing). Forum SolvedComputer won't boot to BIOS Forum More resources Read discussions in other Windows 7 categories Configuration Customization Drivers Security Laptops !