Error: An unhandled exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll

Question

This is the part that crashes and gives me this error is when I try to copy a file to a certain location.

string startupDirectory = \"C:\\\\Users\\\\Tyler\\\         


        

Answer 1

Try

public static void Copy(string sourceFileName, string destFileName);

First overload is source 2nd overload is destination i think reason might be this

File.Copy("Startup.exe",startupDirectory);

Try setting the access permissions to "Full control" for the .Net user from where you are reading/saving the files.

For Access Denied Error in IIS server for particular file , please follow the below steps

1- Goto to C:\\Users\\Tyler\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup

2- Right click on your file -> Properties -> Pop Up of User properties appears -> click on Security tab-> click on Edit -> select Users-> tick on Allow Full Control -> Click Ok

This will surely solve the Access denied problem

An UnauthorizedAccessException means one of 3 things:

• The caller does not have the required permission.
• path is a directory.
• path specified a read-only file.