Lightroom 5 no longer allowing me to edit?

[angelaj2004]

Today my Lightroom 5 is no longer allowing me to edit. Adobe tech support told me to post here so a senior tech can help me 

[Rob_Cullen]

Please include the following in your question:
Adobe product Full Name and Version number

Computer or Device, Operating system and Version number
The full text of any Error Message(s)
What you were doing when the problem occurred
Screenshots of the problem.

What has changed recently in your system?