Users complaining they can't all open a file at the same time

Not sure if this is norml or not, but all my users are running Windows XP.  I have a Snap 4500 Server for file storage.  I am getting complaints that "When we have 3 or 4 people that have this 8MB Excel file open, all of a sudden other people can't open it...Sometimes it shows as "hidden", and other times we can't even see it."  I've already gone through the File Options>View>Show Hidden Files to make sure that wasn't the problem......Is it normal for a file to only be able to be open by a certain amount of people at any given time, or do you think it's the file size, or...???  ??  ??

Thanks.
tenoverAsked:
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Jay_Jay70Commented:
Hi tenover,

with an excel file, only one user at a time should be able to open it in editing mode... everyone else will get a warning when they try

Cheers!
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tenoverAuthor Commented:
That's fine....They get the "open in read only mode".  That's not the problem.  The problem is that sometimes it doesn't appear in the directory, and other times it's almost greyed-out and says it's hidden.
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tenoverAuthor Commented:
UPDATE:  Turns out that even though I told these users to modify their settings to show hidden files, and they said they had done so, they DIDN'T!  As soon as I changed that setting, the file appeared on all the computer having problems, and could be opened.  HOWEVER, I want to know WHY this file is supposedly "Hidden" after being opened the first time from any computer...??
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tenoverAuthor Commented:
OK, Upon further inspection, here's what is happening.  After the file is opened once on any computer, it then gets marked as "Hidden".  If you have "Show Hidden Files and folders" checked, you're ok, and you can see it when you open up that directory.  Alot of these people have shortcuts to these network drives in their actual Start Menu, and as soon as the file goes hidden, it does NOT show up when browsing the shortcut, only when you open the actual mapped drive from within My Computer or Network Neighborhood.
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tenoverAuthor Commented:
RESOLUTION:  When files were initially opened by three computers that were provided by outside vendors (lab machines), the files were then flagged as hidden.  These three computers were all running a trial version of Norton Internet Security.  As soon as that application was removed from all three machines, the problem was resolved.
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Jay_Jay70Commented:
tenover,

sorry about late reply - just woke up

damn internet security   damn it all!
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tenoverAuthor Commented:
Internet Security is overrated...  ;)
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Jay_Jay70Commented:
haha its my most hated piece of software in some regards i find no better than malware....
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carl_legereCommented:
these products from NAI and Symantec do more harm then good in an inside office network environment.
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GranModCommented:
PAQed with points refunded (500)

GranMod
Community Support Moderator
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