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Language Pack slowdown with Windows 7
Good note from ch100:
On Windows 7 Ultimate and Enterprise, there are currently 34 Language Packs on offer as Optional Updates. I’ve often made the claim that for simplicity and for the added features, all Recommended and Optional updates should be installed in addition to the Important updates which I consider mandatory for a fully supported Operating System.
That said, I believe Language Packs should not be installed unless there is a need for them as they slow down the system.
https://support.microsoft.com/en-us/kb/972813
https://support.microsoft.com/en-au/kb/2483139This in detail explanation is based on Windows Vista, but applies to a large extent to Windows 7.
The Technet article claims that “Microsoft recommends that you do not install more than ten language packs at a time.”
More technical details based on Windows 7 here
https://msdn.microsoft.com/en-us/goglobal/ee461121.aspxThis blog instead claims “NOTE: We recommend that you have no more than 3-5 language packs installed on any one Windows installation unless you have to have them installed.”
In my experience, even 2 Language Packs (the main one which is installed with the system plus one additional) can slow down the system significantly, so do not install if not needed.