Let me ask ye just a few questions b'fore ye go and uninstalling everything.
'Ave ye done a clean install when ye uninstalled the game? Meaning, did ye d'lete all the original files r'lated to FH ('tis safe to say ye can save item packs and whatnot in a separate folder while d'leting and reinstalling) and download a brand new FHSetup.exe to use? If not, the problem may be with rogue files floating about in y'er computer or the FHSetup.exe ye 'ave now is installing corrupt files that are already broken.
Did ye try running the game as administrator? Running it as administrator usually fixes a lot of random glitches and can be done by right clicking the FH icon and selecting the option.
How old is y'er laptop and how much space do ye 'ave left on it? Some times when a computer is old, games run slowly or not up to par. Or, if y'er low on space, FH may be fighting to support itself on a file-cramped computer, which may cause issues.
Let me know if any of these solve y'er problem. If not, I advise ye to take Bloo's suggestion and try 'nother clean install by r'moving absolutely everything r'lated to FH-even saved map packs, item packs, markings, and so on.