Sims 3 "Unofficial game modification" error. [SOLVED]

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Sims 3 "Unofficial game modification" error. [SOLVED]

Post by AshleyElle on Sat Mar 03, 2012 6:49 am

I know this has been posted a million times but please hear me out!
Yesterday I was playing The Sims 3 with absolutely no problems.
Being unaware that I was not supposed to update to 1.31, I did just that.
After realizing it was a mistake, I launched a System Restore, rewinding to a few hours earlier, before I applied the update.

So now I'm back with 1.29 but the game will no longer launch. I have tried applying the latest fix over and over.
Every time I try to launch the game I get the "Unofficial game modification" error & when I press "continue" it crashes after 3 or so minutes after being on the "Master Suite" loading screen. I have no custom content & no mods. Every post I've seen related to this issue has recommended to apply the latest fix, which is all I've been doing. I'm stuck!

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Re: Sims 3 "Unofficial game modification" error. [SOLVED]

Post by ☠ ~ Aɳɳ ~ ☠ on Sat Mar 03, 2012 11:09 am

Hello,
I think system restore didn't effectively undo the patch, it may show up as version 1.29, but it's possible that some of the patch files remained causing this error.
You can wait for the new fix which will allow you to play the game with version 1.31, or you can completely reinstall your entire game taking care not to let is update to 1.31.

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Re: Sims 3 "Unofficial game modification" error. [SOLVED]

Post by Webmaster on Sat Mar 03, 2012 12:50 pm

Hello,

I'd indeed recommend waiting for the Fix' update. When it has been updated, download the v1.31 (NOT the v1.29 one!) manual patch from here: http://games4theworld.bestgoo.com/t1870-can-t-update-the-sims-3-to-v129-fix-manual-patch and then re-download and re-apply the latest version of the Fix.

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Re: Sims 3 "Unofficial game modification" error. [SOLVED]

Post by AshleyElle on Sat Mar 03, 2012 6:42 pm

Thanks you guys. I didn't consider that it didn't completely get rid of 1.31. I'll wait for the latest fix. king
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Re: Sims 3 "Unofficial game modification" error. [SOLVED]

Post by Webmaster on Sat Mar 03, 2012 7:01 pm

Hello,

Good! Can I close this topic for now?

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Re: Sims 3 "Unofficial game modification" error. [SOLVED]

Post by AshleyElle on Sat Mar 03, 2012 7:13 pm

Actually, one quick question! (Sorry!)
Depending on how long it might take to wait for the new 1.31 fix, I might want to try reinstalling. The question is, would I have to reinstall everything? The base game AND expansions? Or would I just have to reinstall the base game?

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Re: Sims 3 "Unofficial game modification" error. [SOLVED]

Post by Webmaster on Sat Mar 03, 2012 7:51 pm

Hello,

As far as I know, yes, you'll have to reinstall everything, restart your PC and then reinstall everything.
After re-installation, you'll need use the version 1.29 manual patch.

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Re: Sims 3 "Unofficial game modification" error. [SOLVED]

Post by AshleyElle on Sat Mar 03, 2012 7:55 pm

FUU! I'm better off waiting for the newest patch then. Thanks for your help! You can close the topic if you wish. I love you
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Re: Sims 3 "Unofficial game modification" error. [SOLVED]

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