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Increase The Icon Cache Size In Windows 10

By default, Windows saves Icons (for files) In what's called an Icon cache, thus when you navigate from one directory to another and view certain files, their Icons are taken from the cache and Immediately displayed. Sometimes, when you open a folder containing a lot of files, their Icons may load quite slowly. Increasing the Icon cache size, can be of help. In this tutorial, I will show you how to do that, with a few clicks of the mouse.

I'm sure you've experienced slow loading Icons at some point during your computational tasks, whereby you open a folder to view files, and It takes ex-amount of seconds for their Icons to fully display. Windows has a default Icon cache size of 500 KB, so Increasing Its size, may well fix the Issue.

To achieve this, I will use a neat little Registry file that will automatically add the entries to the Windows Registry, and Increase the Icon cache size thereafter. All that's required on your part, Is to execute the file and follow a few prompts. I've provided the download links to the Registry files, at the end of this article. So let's get this tutorial started.

Step One:
Once you've downloaded the file, extract Its contents to a folder of your choice, then double-click the Increase Cache To 8 MB.reg file. As the file's name Implies, this will Increase the default Icon cache size from 500 KB to 8 MB. Click Yes to add the entries to the Registry.

Step Two:
A message will now be displayed, confirming that the entries have been successfully added, so hit OK to finalize the process. To apply the change, reboot your PC.

Step Three:
The Icon cache size Is now set to 8 MB. Let's make sure the change has taken effect, by viewing the entry In the Windows Registry. Open the Run menu, enter regedit and hit OK. 

Step Four:

Now navigate to the following directory.
HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows > CurrentVersion > Explorer

Then on the right pane, locate Max Cached Icons. As you can see, Its value data Is set to 8192, which Is 8 MB, hence the above tweak has been applied accordingly.

Last Step:
To reverse the change back to the Icon cache default size of 500 KB, simply double-click the Default Cache.reg file, and then hit Yes.

Final Thoughts:
Some users may argue that setting the Icon cache size to 8 MB Is an overkill, but given It doesn't have any negative Impact whatsoever, It makes perfect sense to apply It as such. The good thing about this tweak, Is that It automatically adds the entries to the Windows Registry, therefore It's not susceptible to human error.

Use any of the links below to download the aforementioned Registry files.

Direct Link Mega:
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Direct Link AnonFiles:
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Direct Link Mediafire:
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Direct Link Solidfiles:
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Direct Link Sabercathost:
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Direct Link Uploadfiles:
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  1. Would setting it to 2GB be a problem? I have a directory with 3,000 music albums in it, each with the album artwork as the folder icon. The cumulative size of just that directory's .ico files is over 1GB. I have similar customizations for other folders, albeit with far fewer icons in them.


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