problem with icons of ms office files

Tue Jan 21 04:41:45 UTC 2014

Hello everyone,

a few days ago I installed LUBUNTU on my PC, after that I installed
Kingsoft Office and now when I check any file of Microsoft Office (XLS,
PPT, DOC) I see something like this  1 10 101 1100....

https://dl.dropboxusercontent.com/u/76685476/lubuntu.png

Why does it happens? How can I fix it?
Thanks in advance.
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