Hello everyone. I have been playing SH4 for about 3 months now, off and on. Problem I have is that, all of a sudden, the sub dies when ever I submerge to periscope depth. This happens regardless of the cir****tances, whether I'm stationary in the middle of the ocean with nothing around or not. It doesn't matter. Also, the game seems to be taking a long time to load, (up to 2 minutes) and the computer is only 6 months old, so that shouldn't be the issue. I just downloaded all 4 patches but have not installed them yet. Will that fix the issue?