here is the adw log, looks just like the one I posted though:
AdwCleaner v3.302 - Report created 06/08/2014 at 11:23:25
# Updated 30/07/2014 by Xplode
# Operating System : Windows 7 Home Premium Service Pack 1 (64 bits)
# Username : Linda - LINDA-PC
# Running from : C:\Users\Linda\Desktop\AdwCleaner.exe
# Option : Scan
***** [ Services ] *****
***** [ Files / Folders ] *****
***** [ Scheduled Tasks ] *****
***** [ Shortcuts ] *****
***** [ Registry ] *****
***** [ Browsers ] *****
-\\ Internet Explorer v11.0.9600.17207
-\\ Mozilla Firefox v
-\\ Google Chrome v36.0.1985.125
[ File : C:\Users\Linda\AppData\Local\Google\Chrome\User Data\Default\preferences ]
*************************
AdwCleaner[R0].txt - [5339 octets] - [04/08/2014 21:23:17]
AdwCleaner[R1].txt - [943 octets] - [06/08/2014 10:52:24]
AdwCleaner[R2].txt - [804 octets] - [06/08/2014 11:23:25]
AdwCleaner[S0].txt - [5947 octets] - [04/08/2014 21:24:47]
########## EOF - C:\AdwCleaner\AdwCleaner[R2].txt - [923 octets] ##########
I'm not sure about the dropbox thing it might be because someone I share a folder with is deleting docs that they placed there, or because it is synced to my phone and I have recently deleted a lot downloads to save space. Either way not your problem!

The rest I will do later night...