I'd try the update first and any reboot if needed.. then if still a problem..- try some of these??

Turn Off Auto-Click Feature in Windows ?
http://www.youtube.com/watch?v=gQIoyQ0LZVs


[Try the following steps and check if that helps:

a. Press Windows key + Q to open the search box.

b. Now Click Settings and then type Folder options.

c. Now click the Folder options from the search result.

d. Under General tab select the "Double-click to open an item" option.

e. Click Apply and Ok.] ??
http://answers.microsoft.com/en-us/w...b-97635cf5568d