Adobe PDF files do not moving or deleting instantly

We have several folders on 2 different Windows servers 2008/2003 where PDF files are shared many users that move or delete the PDF files find that they reappear again, it only appears to be PDF files and not MS office files, is there some sort protection on PDF files or a hidden temp file that is causing this, I seen some articles on Adobe forums with similar issues but no definitive answer.
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Michael MachieIT SupervisorCommented:
If shared by many Users it appears to me as if someone opens the file and saves it back to that location by default, without knowing it. Then someone moves the file. Then another person opens the file and then re-saves to the default location, which  may be that folder. This would explain why someone moves it yet it reappears. To confirm, have some Users show you how they work with the file and make sure this is not the reason.
I would start there.

The PDF default save location may be that folder and if they select save-as then the browser to save will open that location by default. The difference with MS Office documents is that their default location to save is dictated by the setting in options, which is most likely different, whereas with PDFs the default location would most likely be the last place a PDF was saved to.
Tiva-ITAuthor Commented:
You refer to 'files' its not it only PDF files that have this problem Word Excel are fine this problem has been going on for ages and if I google it the internet is riddled with people mentioning the same problem, here is one :

'Occasionally I find that some PDF files have the blue and yellow shield next to them and ask for Administrator privileges, which I have, but which W7 apparently doesn't recognize. If I try to delete the file, I can't, as it asks me for Administrator confirmation to continue, but when I give it, I still end up with the warning message above. If I then click on the undeleted "deleted" file to open it, Adobe displays an error message saying that there is a problem with this file and it can't be opened, so it may be partially, but not completely, deleted. As a result, I have a lot of dead carcasses of former PDF files remaining in many subdirectories, files that W7 won't let me move or delete.'
Tiva-ITAuthor Commented:
Found this on an adobe forum 13.14.15. look interesting

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Michael MachieIT SupervisorCommented:
I apologize for the delay. I have tried to create your problem and also research but found nothing more than you have and cannot reproduce it myself to work a fix.

I have no more to add here. If you want further help you can request additional assistance from the link below your question and EE will help find someone with an answer.
Tiva-ITAuthor Commented:
Following the abobe article helped.
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