Are you using Windows?
Hello! My name is*****I am a certified computer professional who will assist you with the problem you described.Based on the problem description, it looks like the address book has been corrupted; however, it may be another cause of the problem, so I suggest we establish a secure remote assistance so that I can check the issue and help you directly.
Let me know if you would like that.
Hello again!I am following up with you to see if you require further assistance. Let me know by sending me a reply below.Thanks,IT Miro