"System.UnauthorizedAccessException" when extracting file to Desktop

Question

I created a script to extract an executable file from the Resources to my Desktop. This works on my machine, but won't work on other's people machines because of a different username. The following script works perfectly:

private void button1_Click(object sender, EventArgs e)
{
    byte[] myfile = Properties.Resources.SOMETHING;
    File.WriteAllBytes("C:\\Users\\Alex\\Desktop\\SOMETHING.exe",myfile);
}

I did some some research and found that I need to use the (Environment.GetFolderPath(Environment.SpecialFolder.Desktop)

So I compiled this script:

private void button1_Click(object sender, EventArgs e)
{
    byte[] myfile = Properties.Resources.SOMETHING;
    File.WriteAllBytes(Environment.GetFolderPath(Environment.SpecialFolder.Desktop),myfile);
}

The problem is that it doesn't say there is an error in my code, but when I run it and press on the button I get the following error:

System.UnauthorizedAccessException Message=Access to the path 'C:\Users\Alex\Desktop' is denied.

I've tried running the code with administrator rights, but that also didn't help.

You try to write the bytes to a file having the same name as the Desktop folder. This does not work. Try File.WriteAllBytes(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "myfilename.txt"), myfile); — Klaus Gütter
– Klaus Gütter, Commented Mar 10, 2019 at 19:23

Floern · Accepted Answer · 2019-03-10 20:22:32Z

1

Use File.SetAttributes(myfile, FileAttributes.Normal); property before reading the file, it should work.

edited Mar 10, 2019 at 20:22

Floern

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answered Mar 10, 2019 at 19:00

Ashu

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2 Comments

Smart Alex Over a year ago

It states the following Cannot convert Byte to string

Ashu Over a year ago

byte[] myfile = Properties.Resources.SOMETHING; string result = System.Text.Encoding.UTF8.GetString(myfile); File.SetAttributes(result , FileAttributes.Normal); File.WriteAllBytes(Environment.GetFolderPath(Environment.SpecialFolder.Desktop),result ); try this it should work

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