Black dot or blob after pasting an item in word, excel, power point

This is caused by a defective Bluetooth add-in for Word, Excel, and PowerPoint

1. Click on "start menu"
2. type winword
3. Right click and select "run as admin"
4. Click on the Microsoft button at the top left
5. Click on Word Options
6. Select Add-ins on the left column
7. At the bottom drop box select Manage: COM Add-ins
8. Press Go
9. Untick/Uncheck "send to bluetooth"
10. Press Ok

source: http://windowssecrets.com/forums/showthread.php/138994-Copy-and-paste-in-Word-2010-produces-black-spot