
On Windows 10, you must do the following. From Windows 8.1 onwards, the situation has changed again. Things were different under Windows XP, and they are different under Windows 7/8. This helps Windows to draw symbols faster. When Windows needs to draw a symbol, it uses the copy of the cache instead of retrieving the symbol image from the original file. The Icon Cache or IconCache.db is a special database file that Windows uses to keep copies of individual icons handy. Reconstruction of the icon cache in Windows 10

While some users report that the problem only occurs with Office programs, others have said that the problem also occurs with other third-party programs.

The problem seems to be limited to Windows 10 only. Most of the users concerned report that the icon is displayed correctly when they manually navigate to the application from the Start menu, but without using the search function. Some Windows 10 users had difficulty solving a strange problem that prevented all Microsoft Office icons from appearing when they were looking for a particular application in the Start menu. Update: Stop getting error messages and slow down your system with our optimization tool. Always display icons, never thumbnails.Recreate your thumbnail cache at the command prompt.
