It worked well for me also, although you will most likely lose the radar/map.
I recommend you check out the following topic to fix this problem, after installing v1.2.2 patch.
http://80.95.161.114/shipsim/forum/index.php/topic,21724.msg290835.html#msg290835
It will fix the radar/map problem and save you having to trawl through the forum looking for a solution