The Windows 7 Activation Error: Invalid Product Key!

November 16, 2009

A few Windows 7 clients of Onsite Computer Services in New Orleans have received the irritating Windows 7 activation error: invalid product key.
Activation can be a troublesome task. If you receive this annoying error indicating an invalid product key when installing Windows 7, it could be OE (operator error).  You might have misread or mistyped your product key. Verify your product key MATCHES the product key you entered.
From Onsite’s experience the product keys can be difficult to read.  8s and Bs, in addition to Ds and Os, provide migraines for many.  HP affixes their Microsoft OEM sticker on the bottom of laptops.  Some experience difficulty when the product key is worn and unreadable through normal use.  Tech support at HP will not provide product keys associated with their products.  HP tech support defers ALL product key questions to Microsoft.   Microsoft claims the OEM (HP in this case) is responsible and should resolve all product key issues.  The net result is if you can’t read your product key on the Microsoft sticker you must repurchase another license.
Onsite also experienced product keys that don’t match the version of Windows 7 installed on your PC. Verify the product key is for the version of Windows 7 that you are trying to activate.  Many will agree – Windows 7 activation errors can arise for several reasons.
If the product key is an upgrade version of Windows 7 then a clean install of Windows 7 Upgrade ends in failure. To install an upgrade version of Windows 7, Windows Vista or Windows XP must be installed on the PC.  You cannot format the drive before starting the installation process – the upgrade product key is useless to activate a clean install of Windows 7 Upgrade.

Microsoft claims the easiest manner to activate an installation of Windows 7 Upgrade: install your previous version of Windows, and then reinstall Windows 7 Upgrade. For some additional help with the activation process, go to the Microsoft Support website.

If you’re searching for New Orleans computer service or repair of your Microsoft based system or network, then call the Microsoft specialists at Onsite Computer Services, Inc. in New Orleans 504-469-6991.

You may also be interested in Onsite Computer’s Blog.

This New Orleans On-Site Computer Service post was provided by Eli Lucas. Eli can be reached at Onsite Computer serves the Microsoft computing needs of small businesses throughout the Greater New Orleans area including Uptown, Lakeview, Broadmoor, Mid-City, Metairie, Jefferson, Kenner, Westbank, French Quarter, and the Warehouse District. Please visit our website at


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