When all else fails, this is the ultimate fix. The ESF Editor allows you to directly manipulate your save game file to defund the Ottomans, forcing them to disband their lag-causing micro-armies. It has a 100% success rate but requires careful attention.
On the display, the year was 1705. He was playing the Ottoman Empire, the granddaddy of campaign map challenges. He had installed DarthMod , the legendary overhaul that made the muskets crack louder and the cannons hit harder. But there was a problem. A big one. empire total war darthmod ottoman turn lag fix top
Ensure your Empire.exe is patched to use more than 2GB of RAM. DarthMod usually does this automatically, but verifying with a 4GB Patch tool can prevent crashes during long turns. When all else fails, this is the ultimate fix