Strange Happenings

[WaltR]

Before reporting this weird event, I must first explain the following.
I backup my Hoster KMA and KMH files to an external hard drive by using the windows copy and past. I copy and paste the whole mtu file. I have done it this way for sometime.

Here is what is weird. I played a New Years Eve gig and everything went great without a hitch. The following Thursday I went to play my regular weekly gig. I started the show by singing a few songs in my singers play list with no problems. When the first singer turned in a song to sing, I entered the song i.d. and when I clicked on "add track", I received a pop message advising the "g" drive was not found (the "g" drive is my backup drive and was not connected to my computer). I tried a couple of other song requests from singers and received the same message. I shut down the show to boot up my backup computer and when I started it and entered the same songs, I received the same message. It gets even weider. I had not used this backup computer in over a month and it showed the same problem as my primary laptop. Fortunately, I discovered that it only involved about 10 disks with the song i.d's. ranging from 400 to 500. The next day I did a rebuild and still had the problem. I deted the mtu file and copied the backup file from my external hard drive and everythings was up and working normal. Everyday until the following Thursday, I checked my Hoster program on my primary show computer and everthing worked as it should. Thursday morning I booted up my computer to make sure if was working properly for that night's gig. Low and behold I received the same message again advisting my "g" wasn't found and the same book i.d's. were missing. I tried my backup laptop and the same problem was there again. This time when I tried to delete the mtu file and copy the backup mtu file, it wouldn't solve the problem. I have tried the rebuild feature and still none of these song i.d's would load. When I go through my KMA files the files that I lost are still listed in my KMA files. I thought that maybe when I did the rebuild, it had assigned new book i.d's, but when I go into the song edit section and list the missing songs by name or book i.d. they are not there. The only thing I can figure to try is to delete the KMA files in question and reload the disk. This is an example of how much easier it would be if hoster would list manufacturers disks with disk I.D.'s and Book I.D's. I also need to mention that when I go into the data base, the "g" drive is listed and "c" is not, but yet with the exception of the missing songs, the songs on the "c" drive still play.
I thought the only way to add a new drive is to go into the data base and add that drive. Hoster seems to be adding my backup drive on it's own and what is even stranger, it does this without the "g" drive hooked up to the computer. I know this sounds like I am in the twilight zone but this is competely accurate. Since I didn't have this problem resolved by my last gig, I took my external hard drive and hooked it up in order to get the missing book i.d.s to load and all went well as long as I have the backup drive connected. Any wisdom out there that may explain this???