I just connect one monse to my MacBook Air and now my keybord is not working

I just connect one monse to my MacBook Air and now my keybord is not working
What to do?

lrfrustrated wrote:
I just downloaded Adobe XI onto my macbook air and now I cannot save or print any PDF files. Will not let me do Print-Save as PDF, and if i do Save as i get a message saying that the file is corrupted. I had NO PROBLEMS at all doing this many times until i downloaded the new version. I have uninstalled and reinstalled, to no avail. I am super frustrated.
Print>Save as PDF - uses Preview (part of OS X), so Adobe Reader should have no effect on that at all.
As to the "damaged file" error, simply uninstalling the Reader app won't affect it. Do the following:
Mac HD/Library/Internet Plug-ins
Trash the AdobePDFViewer.plugin and AdobePDFViewerNPAPI.plugin files
Mac HD/Applications
Trash the Adobe Reader app
[user]/Library/Preferences
Trash the com.adobe.Reader.plist file
To access the [user]/Library, hold the "Option" key and click "Go" from the FInder menu.
Mac HD/Library/Application Support/Adobe
Trash the Reader folder (the whole folder)
Empty the Trash.
Download the FULL installer here: http://get.adobe.com/reader/enterprise/
Quit your browser and reinstall Reader.
Launch it from the Applications folder and accept the license agreement.
You should have no problems downloading PDFs with Safari.
Unfortunately, ANY PDF that says it's damaged.... is. You'll have to trash them.

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