cache – Windows Blog by Brink

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Rebuild Font Cache in Windows 11

The font cache is a file or set of files used by Windows to manage and display the fonts installed on your PC so they load faster.

Sometimes the font cache may become corrupted and cause fonts to be garbled, not rendering properly, or displaying invalid characters. To fix the font cache corruption, you will need to delete the old font cache and restart the computer afterwards to rebuild a new font cache.

This tutorial will show you how to rebuild the font cache to repair it in Windows 10 and Windows 11.

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Clear and Reset Thumbnail Cache in Windows 11

Windows keeps a copy of all your picture, video, and document thumbnails in a cache so they can be reused to quickly display when you open a folder instead of having to manually scan and slowly load them each time.

The thumbnail cache can sometimes become corrupted causing thumbnails to display incorrectly or distorted. When this happens, the thumbnail cache needs to be deleted to reset it and automatically recreate as needed.

This tutorial will show you how to clear and reset the thumbnail cache for your account in Windows 10 and Windows 11.

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How to Change Icon Cache Size in #Windows11

The icons that display for files in Windows are saved in an icon cache so they can be displayed quickly instead of having to manually scan and slowly load them each time.

Sometimes you may notice File Explorer loads icons slowly when you open a folder with lots of files. Increasing the size of the icon cache may help.

By default, the icon cache is 500 KB. Increasing the icon cache size to 4 MB gives the best results, but you can change the size to what works best for you.

This tutorial will show you how to change the maximum size of the icon cache to fix slow loading icons in File Explorer for all users in Windows 7, Windows 8, Windows 10, and Windows 11.

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Rebuild Icon Cache in Windows 11

The icons that display for files in Windows are saved in an icon cache so they can be displayed quickly instead of having to manually scan and slowly load them each time.

The icon cache can sometimes become corrupted causing the icons of files to display incorrectly or distorted. When this happens, the icon cache needs to be deleted to reset and automatically recreate it.

Rebuilding the icon cache will not help with the following icon issues:

  • The icon of a shortcut not displaying properly due to the target source of the shortcut was moved or deleted. You may need to recreate a new shortcut directly from the source (ex: program’s exe) file to replace it instead.
  • All icons for a specific file extension display the wrong icon. This may be due to setting the wrong association for what app to open the file type instead. If so, restoring the default association of the file extension will fix this issue.
  • Thumbnails of pictures, videos, and documents.

This tutorial will show you how to rebuild the icon cache to clear and reset it for your account in Windows 10 and Windows 11.

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How to Clear and Reset External Display Cache in Windows 10

The display cache in Windows 10 helps the computer to remember what mode and resolution to use when a particular display output is detected from a connected external monitor. This helps avoid having to manually apply all the settings again each time a specific external monitor is connected.

Sometimes the cache may have issues, and you find that the display output is not working properly when you connect to an external monitor.

If this happens, you can reset and clear the display cache to see if that fixes the issue. When you reset and clear the display cache, it will force Windows 10 to forget any connected external monitors and their individual settings stored in the display cache on the computer. The next time you connect to an external display, it will be treated as a newly connected display using the default and optimal settings again.

This tutorial will show you how to clear and reset the external display cache in Windows 10.

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