Liandri's Links.
Parce que page apparement plus dispo, je me colle ça ici pour Windows 7/8/8.1:

To remove "spyware" updates open Command Prompt as administrator by clicking right mouse button on Start button or by pressing Win+X shortcut, and enter the following:

Delete KB2976978 (telemetry for Win8/8.1)
start /w wusa.exe /uninstall /kb:2976978 /quiet /norestart

Delete KB3075249 (telemetry for Win7/8.1)
start /w wusa.exe /uninstall /kb:3075249 /quiet /norestart

Delete KB3080149 (telemetry for Win7/8.1)
start /w wusa.exe /uninstall /kb:3080149 /quiet /norestart

Delete KB3021917 (telemetry for Win7)
start /w wusa.exe /uninstall /kb:3021917 /quiet /norestart

Delete KB3022345 (telemetry)
start /w wusa.exe /uninstall /kb:3022345 /quiet /norestart

Delete KB3068708 (telemetry)
start /w wusa.exe /uninstall /kb:3068708 /quiet /norestart

Delete KB3044374 (Get Windows 10 for Win8.1)
start /w wusa.exe /uninstall /kb:3044374 /quiet /norestart

Delete KB3035583 (Get Windows 10 for Win7sp1/8.1)
start /w wusa.exe /uninstall /kb:3035583 /quiet /norestart

Delete KB2990214 (Get Windows 10 for Win7 without sp1)
start /w wusa.exe /uninstall /kb:2990214 /quiet /norestart

Delete KB2990214 (Get Windows 10 for Win7)
start /w wusa.exe /uninstall /kb:2990214 /quiet /norestart

Delete KB2952664 (Get Windows 10 assistant)
start /w wusa.exe /uninstall /kb:2952664 /quiet /norestart

Delete KB3075853 (update for "Windows Update" on Win8.1/Server 2012R2)
start /w wusa.exe /uninstall /kb:3075853 /quiet /norestart

Delete KB3065987 (update for "Windows Update" on Win7/Server 2008R2)
start /w wusa.exe /uninstall /kb:3065987 /quiet /norestart

Delete KB3050265 (update for "Windows Update" on Win7)
start /w wusa.exe /uninstall /kb:3050265 /quiet /norestart

Delete KB3075851 (update for "Windows Update" on Win7)
start /w wusa.exe /uninstall /kb:971033 /quiet /norestart

Delete KB2902907 (description is not available)
start /w wusa.exe /uninstall /kb:2902907 /quiet /norestart
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