Okay to delete .LNK files

CCleaner for Windows
1

I'm a newbie . . using free version . . .ran analysis

How do i determin whether or not to let the program delete the files i see in the details section . . .

Adobe file extensions = .idx

McAfee files extensions = .log

office 2007 file extensions = .LNK

office 2010 file extensions = .LNK

office XP file extensions = .LNK

Adobe Flash Player file extensions - .sol

Windows media player = cach\7599183\CacheEntry . .bla bla bla . . .. .

Any thoughts?