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FileSyncShell64.dll - Desktop icons refreshing every time that many applications are opened (WinRAR, 7zip, explorer, media players, etc)

The latest OneDrive update (18.025.0204) installs a shell extension to control the icons showed by OneDrive that is buggy in Windows 7 (maybe in other OS as well). Only the ErrorOverlayHandler Class has to be disabled to fix the problem.

The details of the shell extension that might cause the problem:

Shell Extension Name: ErrorOverlayHandler Class
Filename: FileSyncShell64.dll
Description: Microsoft OneDrive Shell Extension
Company: Microsoft Corporation
Product Name: Microsoft OneDrive
File Version: 18.025.0204.0009
CLSID: {BBACC218-34EA-4666-9D7A-C78F2274A524}

If you think that you have similar problem in your system, you can try to fix the problem by disabling the specified shell extension. In order to do that, simply follow the instructions below:

  1. Download and run the ShellExView utility from this Web page.
  2. Find the right shell extension according the details specified above.
  3. Select this shell extension and press F7 to disable this extension. After disabling the shell extension, check if the problem still occurs. If the problem still occurs, you should enable back the shell extension by pressing F8, and then try to search for another shell extension that might cause your problem.

This shell extension problem was reported by ikerrg