Can t find null

Can't find "f is null" error. David Dunn. Registered: Oct 28 Posts: My Product Information: Acrobat Pro 9. Your getTitle and getAuthor methods make no sense. You are simply returning the value you passed to them — MadProgrammer. In fact can you look at the stack trace. It tells you exactly where the problem is, and the fix should then be obvious. I'm sorry, not sure what you are asking for there.

Though the exception pops up on "book1. Add a comment. Active Oldest Votes. Improve this answer. Paul Samsotha Paul Samsotha k 33 33 gold badges silver badges bronze badges. I dont see where you are doing new Book. Also i would suggest you to refactor your code. Antwan Antwan 3, 7 7 gold badges 39 39 silver badges 61 61 bronze badges.

Sign up or log in Sign up using Google. The problem usually has just the same effect on the system even if it comes after contamination of PC with viruses or spyware attack. Though, there might be a malware that produces this error box just to make you click the button. It is also possible that the error message comes after your antivirus deleted infected null.

Taking the error possible relation to malware activities, the next step you can undertake while fighting this problem is updating your antivirus and running the full system scan for the malware on your PC. The next thing you can do without going too far in technical stuff is a simple restore to some saved system restore point made before the date when the error first had occurred. For this you need:. Expert Greg guided me and advised me to use tenforums tutorial to recover my account which involved Registry Edit.

Though I recovered the account successfully. I am now getting following errors. Following your guidance and Ten Forums Tutorial, I successfully recovered my lost account, without reinstalling Windows a second time, using Microsoft Recovery. Earlier HP Cloud Recovery is not to blame. It was perfect. My Other Two Accounts are working perfectly.