Permission Denied Writing to a file

I'm getting a 'permission denied' error when I try to write to a file. I'm running Windows XP Professions, FAT32, and I've set the aspnet user to be an administrator. And I still get this error. I know it's not that the folder doesn't exist, because if I change the path to one that doesn't exist I get the appropriate error that it doesn't exist.

Help.

buzzWow! I hope this server is not exposed to the Internet in any way.
First, you should use NTFS and not FAT32 (there are no permissions on FAT32 disks).
And making ASPNET an administrator is something you should never do. You could edit the machine.config file instead and make the process use SYSTEM instead of ASPNET. I don't even recommend doing this, and you should really just give enough rights on the directories to ASPNET so that you can write to your file.
Does this help?
I'm just in development on my desktop for now, which is why it's FAT32, and the only reason why I made the ASPNET account an admin was to troubleshoot my permission denied error. That's why I mentioned it, because even with it being an admin I'm still getting this error.
You should use NTFS on your dev machines too. I doubt that you will be able to sort this one out except if you use NTFS. I haven't checked this, but I wouldn't be surprised if we used low permissions by default if the file system is Fat, as there are no permissions on this file system.
And 'low permissions' means no write permission, ever, anywhere? That would be remarkably restrictive, wouldn't it? Aren't there some IIS settings I can look at? I also went into my app in IIS and gave write permission in there and that didn't work either.

Thanks for your input.

buzz
Once again, I'm not sure about that at all.
But usually, a web site has no need to write files.
And it would be incredibly dangerous to allow writing to an unprotected file system by default.
I strongly recommend you use NTFS in all circumstances. Fat32 is only there for Win9x compatibility.
I see, well I'll look into converting to NTFS.

>> But usually, a web site has no need to write files.

Is this true? I'm not an expert, but what about uploading files, etc? Also, I want to write to a file for logging purposes, for when my database goes down.

Thanks for all your help!

buzz
Yes, that's why I said "usually".
Most sites don't need to upload files. And if you upload, you should do so in a directory that's not acessible from the web, for obvious security reasons, whenever possible. And you should always require reliable authentication when you allow for it.
Logging can be done using the System.Diagnostics namespace, using the standard Windows event logs.