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Апдейт для Windows 7 x64 (KB3068708) — KB3068708 устанавливает сервис телеметрии, готовит систему к апгрейду на Windows 10, CEIP Win7, Win8.1, Svr2008R2, Svr2012R2

Апдейт для Windows 7 x64 (KB3075249) — KB3075249 добавляет телеметрию в consent.exe (UAC-трекинг) Win7 Win8.1 RT8.1, Svr2008R2, Svr2012R2

Апдейт для Windows 7 x64 (KB3080149) — исправления часовых поясов, ещё больше телеметрии, возможно CEIP в Win7 SP1, 8.1, Svr2008R2, Svr2012R2
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I created a list of Win 7 updates that one may want to avoid, and the 'why' (after = ) if that is not immediately obvious from the official short description.

KB2505438 - Slow performance in applications that use the DirectWrite API on a computer that is running Windows 7 or Windows Server 2008 R2 = It often breaks fonts (see also KB454826)
KB2670838 - Platform update for Windows 7 SP1 and Windows Server 2008 R2 SP1 = breaks AERO functionality and gives you blurry fonts on some websites
KB2952664 - Compatibility update for upgrading Windows 7 = Windows 7 nagware patch that touts the Windows 10 upgrade
KB2977759 - Compatibility update for Windows 7 RTM = W10 Diagnostics Compatibility telemetry
KB2990214 - Update that enables you to upgrade from Windows 7 to a later version of Windows
KB3021917 - Update to Windows 7 SP1 for performance improvements (telemetry)
KB3022345 - Update for customer experience and diagnostic telemetry -> Replaced by KB3080149
KB3050265 - Windows Update Client for Windows 7: June 2015 = WU service updated to accept upgrade to W10 + other fixes
KB3068707 - Customer experience telemetry points (update appears to be nuked from microsoft.com)
KB3068708 - Update for customer experience and diagnostic telemetry
KB3075249 - Update that adds telemetry points to consent.exe in Windows 8.1 and Windows 7
KB3080149 - Update for customer experience and diagnostic telemetry