Game Help:Intermittent Freezes

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Sims 3 Game Help Categories:

Custom Content  | Installation  | Gameplay Guides  | Technical & Graphics Issues  | Miscellaneous Issues

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Issue & Symptoms

Lags: this could be describe as certain screens loading slower than normal or certain actions took longer to complete in SimTime

Freezes: this is characterize by Sims being frozen on certain actions and yet the background is moving, or sound continues playing

Some symptoms are:

  • stop-n-go jerky motions, trees swaying, background moving and music playing but Sims frozen
  • freeze when entering a catalog category
  • freeze when entering CAS
  • freeze when switching to Build from Buy or vice versa
  • game freeze and never recovered and have to be terminated in Task Manager
  • dropping framerates



  • when there are too many .package CC
  • when the CC is incompatible with your patch versions or broken
  • when you have Sims 2 content in the mix
  • huge Save files clogged with the Memories in Scrapbook, starting from patch 1.22 (Generations release)

Freezes In-game lags/freezes can be caused by a few things, some that we know of so far...

  1. stereos not turned off in inactive Sims homes
  2. derelict vehicles
  3. homeless Sims - causing overpopulation
  4. broken links due to the Relationship bug and the game is still trying to link up people they never met in a WA locale or sudden, random marriages or children, resulting in invisible and/or missing Sims. This can be accompanied by missing UI (User Interface, the Panel) or a Sims with a borked thumbnail on the UI.
  5. actual stuck Sims - between floors or into the ground/basements or stuck looping in an action
  6. faulty routing - causing stuck Sims and route-failure tantrums
  7. Sims changing to their work uniforms and/or sleepwear
  8. the buggy Memories system introduced with patch 1.22 and Generations that logged each and every "memorable" action the Sim did, and presumably for the whole Town, too


Standard troubleshooting procedure
Test CC-free on a new town. Do Game Problem FAQ to rule out Custom Content conflict/incompatibility
Test on another Household by switching to other families to determine if it affects one Household or the whole town
Plus all the ones below

Lags - loading lag, CAS lag, general lag in gameplay
Make sure to do the Standard troubleshooting procedure above and the fixes for Freezes below
Package File Lag has other suggestions using tools like Process Monitor and Dashboard Tool
Too much CC? Try Combining Packages

Use Overwatch to remove derelict vehicles and other stuff during its nightly runs, or do an Immediate action
Use MasterController to reset stuck Sims or worlds
Use Awesomemod if you prefer a core mod to handle some of the fixes automatically
Use this tool to have control over Memories

(1) - (5) can be controlled and fixed by StoryProgression mods like AwesomeMod @MATY or Twallan's StoryProgression and one or more of his other mods mentioned above @NRaas Industries.

If you have (4), be sure to also read Game Help:UI and Sim Issues

In the default EA worlds, issue (6) is caused by faulty routing, and especially those that came with World Adventure. See this FAQ for more info Game Help:World Routing Lags.
In a custom world, (6) is caused by placing a custom Lot that does not sit flushed with the road's edge or poor routing by the creator.
  • If you suspect (6) and you have just downloaded & placed a new Lot, test it out by having your Sim try to reach all the spots a Sim would normally go to autonomously.
  • If you have (6) and you're using a custom world, check back with the creator's item page to see if others are experiencing the same issue.

For (7), just pause the game and let the processor catch up with the game-engine.

For (8), you need to turn off the memories that you don't want, or turn the "feature" off altogether with this tool

Certain Lags and freezes need a 2nd reload of the game before clearing up. So, after applying the fixes by removing CC and using mods - save, quit, clear caches and reload the game.

InfoWarn.png Warning: Standard cautionary advise applies: check for version compatibility and please RTFM on the mods features and how to use. Seek support from the modders, and Happy Simming!

Further reading

Seeking further assistance

Before you post in the MTS Sims 3 Help Forums, please try all the above suggestions, and answer the questionnaire in [Common]Data collection and analysis: Intermittent Freezes and Lags sticky.

We probably won't have any further tips to suggest other than the ones above, so creating a new thread might not yield any results. If you do decide to create a new thread anyway, be sure to mention you've done this FAQ or you'll be directed to this wiki again. Not mentioning it is our clue than you have not done so.

Sims 3 Game Help Categories:

Custom Content  | Installation  | Gameplay Guides  | Technical & Graphics Issues  | Miscellaneous Issues

MTS Help Q&A Forums
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