After CCleaner automatically installed version 6.06 I found that no MS Office apps would work and Acrobat Reader would not open. Reading on this Forum that uninstalling CCleaner solved the problem for someone else, this is what I did and this solved the problem with MS Office and Acrobat.
I sent off a 'HELP' request to CCleaner support. Before receiving their reply (which was the next day), I installed 'Wise Disk Cleaner' and ran it.
CCleaner's reply from 'support' suggested the following:
Open CCleaner > click Options > Exclude
Click Add > Drive or Folder > Browse
Navigate to: C:\Users\(Windows login name)\AppData\Local\
Click "Temp" folder > click OK
Select "File Types" and type: *.dat
Click OK
I reinstalled CCleaner and found that MS Office apps were now working along with Acrobat Reader so I didn't do the above suggestion.
Perhaps Wise Disk Cleaner did the cleaning , but if you have the same problem then you might want to follow what I did or the suggestion from CCleaner support.
Good luck!
