severe lag spikes at times

Technical Support
At certain times when I play starcraft 2 I get lag spike jumps that result in freezes that lag 2 - 4 seconds then go away after 1 minute any help?
These might help

Internet connection goes out when starting starcraft (Clearwater)
http://us.battle.net/sc2/en/forum/topic/2190800680
http://us.battle.net/sc2/en/forum/topic/2190890763

"Stuttering" game
http://us.battle.net/sc2/en/forum/topic/1126996964.

Graphics lagging with audio stutter
http://us.battle.net/sc2/en/forum/topic/1021052543

Stuttering, low FPS with HP
http://us.battle.net/sc2/en/forum/topic/1869219478

6870 performance issues/Stuttering with AMD cards
http://us.battle.net/sc2/en/forum/topic/1406254370

Ingame FPS drop without ingame events (battles, map triggers) at same time
http://us.battle.net/sc2/en/forum/topic/1074378458

FPS drop while scrolling (ATI cards)
http://us.battle.net/sc2/en/forum/topic/2179758914

Low FPS with SLI
http://us.battle.net/sc2/en/forum/topic/2190890869

Low FPS with Windows Vista/7 with the AN893b network card (Linksys LNE100TX/NC100 series and others)
Try removing this network card and use a more recent or onboard network card

Low FPS with a SoundBlaster Audigy 2 sound card
Blues are currently looking into. Try removing the Audigy sound card

Artifacts/Low FPS on Ultra
http://us.battle.net/sc2/en/forum/topic/1020862403

FPS Lag with AMD Cards
http://us.battle.net/sc2/en/forum/topic/1020862802
http://us.battle.net/sc2/en/forum/topic/1921982257?page=2#33
http://us.battle.net/sc2/en/forum/topic/1827306649

FPS Lag after a while with Nvidia cards (power saving mode)
http://us.battle.net/sc2/en/forum/topic/1965844610

FPS Lag with Pentium 4 and D
http://us.battle.net/sc2/en/forum/topic/248107798?page=2#35

FPS drop with Q6600 CPU (HP Pavilion, Intel Quad 2.40, Nvidia)
http://us.battle.net/sc2/en/forum/topic/1660220973#18

FPS drop with ASUS or nView
http://us.battle.net/sc2/en/forum/topic/2140445639

Low FPS with New Graphics Card (CPU bottleneck)
http://us.battle.net/sc2/en/forum/topic/1519012489
http://us.battle.net/sc2/en/forum/topic/2228413605

Low FPS when running FRAPS
http://us.battle.net/sc2/en/forum/topic/1921984704

FPS workaround by running WOW
http://us.battle.net/sc2/en/forum/topic/374718165?page=1

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