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Wrong icon for file type; how to refresh the icons quickly

Ramesh

Summary: Incorrect icon shown for a file type, desktop shortcut, or taskbar icons in Windows. This article tells you how to fix it.

Recently I received a query wherein the user has installed Foxit Reader. Later, he set accidentally associated the .zip file type with Foxit Reader via the Open with dialog. They got the association problem straightened out by running the .zip association fix from the File association fixes page.

However, the .zip file type was still showing the Foxit Reader icon, although the association settings were correct.

Whenever the file association settings are changed or a new association is created via the registry or script, the system might not be aware of the change. Programs use the SHChangeNotify API call specifying the SHCNE_ASSOCCHANGED event, in order to refresh the icons without requiring a reboot.

This article explains the different ways to quickly refresh the icons in Windows 7, 8, and 10 without rebuilding the Windows icon cache or restarting Windows.

How to Refresh the Icons

After a file association change or shortcut icon modification, the icon should refresh immediately or after a restart. If that does not happen, you can force a shell icon refresh by performing a task that triggers the SHChangeNotify API.

Follow one of these methods:

1) Using IE4UINIT

Using IE4Uinit.exe (Internet Explorer Per-User Initialization Utility), you can quickly refresh the shell icons.

Press WinKey + R to bring up the Run dialog.

Run the following command (for Windows 10) and hit Enter:

ie4uinit.exe -show

For Windows 8 and earlier, run this command instead:

ie4uinit.exe -ClearIconCache

Here is a small video clip to demonstrate this.


(Incorrect .txt file icon, fixed immediately after running the above command.)

RELATED: Missing or Incorrect Icons Showing up in the Windows UI

2) Using Default Apps

You can use Default Apps and change the program defaults for any random program (e.g., Google Chrome or Edge as the default), and revert to the original setting. This is to force the Windows shell to refresh the taskbar icons, desktop shortcut icons, and other icons in the Windows user interface.

  1. Open Settings, Default Apps
  2. Click on the Photo viewer and select a different program from the list
  3. Again, click on the Photo viewer and select your preferred program this time.

This refreshes the shell icons automatically.

In Windows 8 and earlier, use the Default Programs applet.

  1. Click Start → Default Programs → Set your default programs
  2. Select your web browser, email client, or any other item in the list.
  3. Click the Set this program as default button, and click OK.
RELATED: Desktop Icons Covered with Black Squares or Generic White Overlay in Windows

3) Using NirCmd

If you’re using the excellent NirCmd console utility (from Nirsoft.net), it can be used to refresh the shell icons. It supports two options to refresh the icons.

  1. The “Nircmd.exe sysrefresh” command initiates a general system refresh. You can use this command to refresh your system after changing your system settings in the Registry (e.g., Changing desktop icons size, environment variables, etc.,)
    {Refresh Type} is optional. You can specify one of the following values: “environment” – for refreshing the environment variables, “policy” – for policy settings, “intl” for locale settings.

    Examples:

    nircmd.exe sysrefresh 

nircmd.exe sysrefresh environment 

nircmd.exe sysrefresh policy
  2. The “Nircmd.exe shellrefresh” command initiates a general refresh for Explorer shell (user interface). This command can be useful if you make a change in the registry related to the shell file types (e.g., change file type icons, taskbar icon), and you want that your changes will take effect immediately even without restarting the Explorer shell.

This should fix the incorrect file type icons issue.

Note: If you’re looking for information on how to completely clean and rebuild the icon cache, check out this post How to Rebuild the Icon Cache in Windows.

4) Using a Script

You can use the following VBScript to refresh the icons quickly. This script resets the file association settings for .txt file type using the ASSOC command. This triggers the SHCNE_ASSOCCHANGED event, which instructs the Shell to invalidate the icon and thumbnail cache. This causes Windows to refresh the shell icons.



'File: refreshicons.vbs
'From Winhelponline.com
'Forces a refresh of the shell icons by resetting .txt file association
If WScript.Arguments.length = 0 Then
   Set objShell = CreateObject("Shell.Application")
   objShell.ShellExecute "wscript.exe", Chr(34) & _
   WScript.ScriptFullName & Chr(34) & " uac", "", "runas", 1
Else   
   Dim WshShell
   Set WshShell = WScript.CreateObject("Wscript.Shell")
   sCmd = "cmd.exe /c assoc .txt=textfile"
   WshShell.Run sCmd,0,True
   sCmd = "cmd.exe /c assoc .txt=txtfile"   
End If

How to Use

  1. Download the above script or copy the above lines to Notepad and save the file as refreshicons.vbs
  2. Double-click refreshicons.vbs to run it.

Alternately, you can run these commands manually (instead of script) from the admin Command Prompt.

assoc .txt=textfile

assoc .txt=txtfile

I hope that helps you refresh the stale/outdated or incorrect icons in Windows.

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