Hello again Melissa_Confuse.
As I don't expect you will get this until tomorrow may I wish you a very Happy Christmas and hope that 2014 will go a bit better than it sounds as if 2013 has gone.
Thanks for the information you provided. First can I apologize for not making my point 3 clear enough. I thought that you had the sets scheduled to back up on Automatic. My point was that just at the moment it is important that you change that to MANUAL. So this is the first thing you need to do. Go into Manage Backup Sets and set both sets to Manual backup.
Next:- I am going to suggest that you do a new backup (it will be a temporary one) to the E: drive. I note what you say about bad sectors but unless it is totally shot it should give us a bit of protection while we clear some space on the F: drive.
At the moment the backup "MELISSA MAY 2013" should be around 11 KGB but due to some corruption the space it is taking on F: is around 376 GB! So if we can clear off that corrupted set you should have plenty of space on F:. However I want to create a safety backup to cover us while we delete it. I hope that is clear and acceptable.
I will explain a little more of the principle of what I propose doing, and then will go through a detailed description which I hope will help guide you through the process.
First I will get you to make a new "MELISSA MAY 2013" backup on the E: drive which will be checked as good. Then you will remove the corrupt folder from the F: drive. Once we have space back on that drive you will once again put a new copy of "MELISSA MAY 2013" back on the F: drive. That should get you a good backup, and free up around 365 GB. You will then be able to erase the backup temporarily created on the E: drive. Even if the backup onto the E: drive does not work the length of time that you would be without one on F: should be minimal and a small risk.
If you are content with the above then, when you have some quiet time to spare, I suggest that you try the following:-
First print off these instructions - it will be easier to have them to hand and not have to keep changing windows on your machine.
Then open N360: Backup: Manage Backup Sets.
Select the set "MELISSA MAY 2013".
Select the "When" tab and make sure that it is set to Manual.
Select the "Where" tab and click on "Refresh List" at the middle towards the top. Wait until it is finished, though it should not take long. Then select the E: drive.
Next ensure that the "Verify Backup" (just above "Preview" box near the bottom of the screen) is ticked.
Then click on "Save Settings" and finally click on "Run Backup" and go and get a cup of coffee (or whatever seems appropriate!).
This backup will be for the full 11 GB and will take some time, but keep an eye on the machine to make sure it does not go to sleep (all you need to do is move the mouse every now and again). If all goes well (and hopefully in under 1 hr) it should report a successful backup. If it does you will know that you now have a confirmed backup on E: and you may like to celebrate. If it reports and problems then report back and do not do any more until we have considered what it is best to do.
The following assumes a successful backup to E:
Close the N360 screen.
Open Microsoft Explorer so that you can see your F: drive. Look in the N360_BACKUP folder. Select the folder with the name {C36629200-B92E-4168-B54E-E20D87B5CEA3} (make sure it is just the one folder you have selected) then press the delete button (normally - Del). If asked, confirm that you wish to delete the folder and all the files in it. Then leave it to complete the deletion. With 376 GB of data this will take a while, you can just leave the machine alone until it thinks it has finished. When it has finished have another look at the F: drive and you should now see lots of space on it. Again if not report back.
If all is well you now need to make a new backup onto the F: drive.
Open N360: Backup: Manage Backup Sets.
Select the set "MELISSA MAY 2013".
Select the "Where" tab and click on "Refresh List". Wait until it is finished. Then select the F: drive.
Next click on "Save Settings" and finally click on "Run Backup" and go and do whatever you did last time or feel like doing this time around.
Again this backup will be for the full 11 GB and will take some time, so again you should keep an eye on the machine to make sure it does not go to sleep. If all goes well this also should report a successful backup.
Whatever it reports I suggest you come back here at that point and give us an update. If it says it worked (as it should) I will be very happy and you should once again have a working system!
If anything is unclear then do not hesitate to come back and seek clarification.
Good luck.