It should be clear that philosophy does not solve any scientific problem. If it did, then it would be part of a science. If it solves any problem, then it could be called an intelligibility problem. That means that philosophical problems can arise everywhere where people think. Obviously, normally thinking is no problem. Science was already progressing before philosophy tried to find out how, and why science progresses. But philosophy can clarify this by trying to find out when e.g. in science