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Cannot use .dat files. Possibly a security issue.


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#1 4zb4

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Posted 20 July 2009 - 01:50 AM

Hello everyone.
I joined these forums specifically for this problem.

My computer has suddenly decided that I am not allowed to use .dat files anymore. I can't edit, move or delete them anymore. Any attempt to do so returns a "Access Denied" error. I can still look at the contents of the files (through notepad) and programs can still use them.
The strange thing about this is that I am an administrator on this computer and have full-control ownership of the files.
I suspect that maybe a recent windows update or a security program has decided to block any editing of any files with the .dat extention (Maybe as a way to protect system files of the same extention?). This means any, and ALL .dat files, even empty junk ones I create myself.
However, these particular .dat files are used in a game that I am programming, and are not in themselves important to the system. This problem is getting in the way of my progress in programming.
Also, I can copy the files to a seperate directory, but then I cannot delete them. This is leading to them building up and taking up space.

Installed security programs are:
AVG anti-virus 8
Netscreen Security
Windows firewall (not used)

I am running windows XP media centre edition.

I will be happy to provide any more information if it is needed.
Thanks in advance.

Edited by 4zb4, 20 July 2009 - 01:57 AM.


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#2 Andrew

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Posted 20 July 2009 - 04:28 AM

That is odd. What is the precise wording of the error message?

#3 4zb4

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Posted 20 July 2009 - 04:40 AM

When trying to save changes to a file or replace it: "Cannot create the C:\Work\Hscore.dat file - Make sure that the path and filename are correct"

When trying to move or delete it: "Cannot delete/move file: Access is denied. Please contact a system administrator... etc."

#4 Andrew

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Posted 20 July 2009 - 04:44 AM

Does this happen if you log in as another Admin-level user?

#5 4zb4

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Posted 20 July 2009 - 06:34 AM

Yup, sure does.




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