This is a tiny guide just to make ours and your life easier so we can replicate, diagnose and fix things as quickly and efficiently as possible. So please try and tell us as much of the following in your post (if it is relevant):
1. Browser name and version
2. Operating system name and version
3. Monitor size + resolution
4. URL(s) if it concerns a specific page(s)
5. What actions you made which created the problem













