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Sweawm

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Alrighto. I bought the Republic, Legacy and a few of the Graphic Pack DLC's off Steam. I already have Sword & Sunset DLC's. Before I even downloaded the DLC, I validated my install with Steam.

First time I booted it up, it crashed during the loading. On second boot up, on the menu I experience severe lag, and I tried booting up a game as a Republic, only to have the thing lag even more and crash eventually just by trying to click on any button.

I don't know why this is happening really. Performance wise, I had absolutely no issues before I installed these DLC's, and I even tried decreasing my settings and boosting my performance by disabling trees, but the same issue still occurs. I have no Mods, and I even have no saves in my folder entirely.

Any help?
 

AndrewT

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Not sure, there's no known problem like that with the Republic DLC. There is a crash bug in 1.092 that happens far more often with republics (if a ruler with a retinue dies without any heirs), but that cannot cause a crash at loading time.

What version and checksum show on the main game menu? Does it still happen if you uncheck the DLCs in the Launcher?

As a start try running the Steam option to Verify Game Cache Files.