Only thing I can remeber at this point was that the problem of not finding a file goes deeper and more simpler, like at M-S level. There seems to a finding and file using problem with 16 bit, 32 bit, and 64 bit hard drives. (One of my geek friends who always buys the latest, told me about this a year or two ago). The hard drive's will accept one another's work but not to share anything. I run here mainly on the 16 bit system. and it make take up more space on the hard drive, but understands old and new. Cannot say that about more modern stuff. To transferr a file from a 16 bit hard drive to a 32 bit one, sometimes means I have to delete the original name, then load on the 16 bit version (taking time and steps). If going the opposite way, no problem. Otherwise a file will be created, but Zero information inside, and then Windows refuses to see any directory with zero information inside.
Something has all to do with how M-S set up the hard drive originally when it was formatted. May be faster now, but if I cannot communicate to certain files, then the whole day is lost.
You may be looking at this too hard.