A rather strange problem

Um yes, Something rather odd has been happening when I work on blender. For some reason after working on a blender file for awhile, or whenever I render, I find myself rendering/working on frame 2 rather than frame 1 or 0. It has happened on a lot of my blender files. I’m absolutely sure that I’m on frame 1 whenever I start a new file, but I eventually find my way to frame 2.Usaully It happens whenever I don’t mess with the frame buttons (like when I’m modeling) but sometimes it does. Does this happen to anyone else? or am I pushing some hotkey (besides arrow keys) to change it to frame 2? Please Respond :stuck_out_tongue: