"The file or directory is corrupt or unreadable"

[Megalodon]

Every time I try to load my save data, I get this. 

I don't understand at all what it is. I've looked up multiple tutorials, and each one has the same result. I've also looked around to see if anyone has had similar errors, but I don't see anything, so I figure I might as well post it.

Exception Details:
System.IO.IOException: The file or directory is corrupted and unreadable.

   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   at System.IO.FileStream.get_Length()
   at System.IO.File.InternalReadAllBytes(String path, Boolean checkHost)
   at PKHeX.Core.SaveUtil.<>c.<detectSaveFile>b__50_2(String p)
   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
   at PKHeX.Core.SaveUtil.detectSaveFile(String& path, String[] extra)
   at PKHeX.WinForms.Main.mainMenuOpen(Object sender, EventArgs e)
   at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
   at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
   at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
   at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
   at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)
   at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)
   at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
   at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.ToolStrip.WndProc(Message& m)
   at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Loaded Assemblies:
--------------------
mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorlib.dll

PKHeX-win, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
C:\Users\MEGALO~1\AppData\Local\Temp\Rar$EXa0.302\PKHeX.exe

System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\System.dll

System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll

System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll

System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Core\v4.0_4.0.0.0__b77a5c561934e089\System.Core.dll

System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Configuration\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Configuration.dll

System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Xml\v4.0_4.0.0.0__b77a5c561934e089\System.Xml.dll

System.Deployment, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Deployment\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Deployment.dll

--------------------
User Message:
An unhandled exception has occurred.
You can continue running PKHeX, but please report this error.
 

[ReignOfComputer]

Wow that's new. Doesn't sound like a PKHeX issue, but a problem with your SD/microSD (I'm assuming you're trying to load off that).

Can you try and run CHKDSK? Tutorial here.

[Megalodon]

Alright, this is pretty weird, but after deleting the program I used to backup the saves, I tried reinstalling it a couple times. After plugging my SD back into my computer for about the third time, I get the message that my drive is corrupted, and I just clicked to fix it, as I did. 

Suddenly no problems whatsoever, I can load saves and everything in Hex. Whatever it is, I'm fairly certain it was a random problem with my SD, or the way I installed programs on it, and not an error with PKHex or the save editors. 

Just in case anyone has the same error in the future. Thanks.

Edited February 3, 2017 by Megalodon
lol grammur errers

[ReignOfComputer]

Yeah, you basically ran CHKDSK when you clicked to fix it