Upgrade win vista to win 7 language problem


I have a problem upgrading a windows vista laptop to windows 7

The advisor check is no problem, the only issue is the following error when I click on upgrade:
The upgrade could not be performed with a cd of a different language than the language that is installed on the computer.

What can I do about it?

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techneitsolutionsConnect With a Mentor Author Commented:
the problem was that vista was professional and win 7 ultimate, each with a different language.

I made a clean installe.

thx tho'
Do you have the original Windows Vista installation CD? it may be worht checking to see what language this is. Also, is it a genuine Windows 7 CD? Check with the distributor, they may have accidently sent you the wrong language set.
techneitsolutionsAuthor Commented:
I do not have the original cd but the language now installed is dutch and my upgrade cd is also dutch.

Isnt there a registry key that i can edit to make windows beleives its the correct language?
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Thisd may be what you're looking for:

How to change system display language in windows vista:
¦Run Registry Editor – regedit.exe (you can Click Start –> Run and then type regedit and finally press “Enter” )
¦2. Navigate to the following registry key:

where xx-YY is the original system user interface language locale string.For eg: it will be “en-US” for English US edition.

¦3. Rename the xx-YY to aa-BB, where aa-BB is the locale string for the new system language that you want to set (for eg: you can set it to “de-DE” for German), so that the registry key looks like below:

¦4. Inside the renamed aa-BB registry key, create a new “String” value in the right pane, and name the new value data as DefaultFallback.
¦5. Assign the “DefaultFallback” with value of xx-YY (i.e. the original language).
techneitsolutionsAuthor Commented:
that did not work..
Here is a KB from Microsoft, which says that it is not possible, http://support.microsoft.com/kb/932006/en-us.
Sorry, but you should upgrade from a different language disk.
It's possible if you upgrade to the Ultimate version, as far as I'm concerned. At least I upgraded from Vista Ultimate Norwegian to Win7 Ultimate English.

The ultimate and enterprise versions of Vista and Win7 have language packs to support multiple languages by default.
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