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Change the Icon Cache Size (All Windows) Popular

If you desktop icons are redrawing too frequently or are corrupt, it could be because the icon cache is full. Try increasing the size by changing this setting.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find the key below.

Create a new string value, or modify the existing value, called "Max Cached Icons" and set it to "2000". This will increase the maximum icon cache to 2MB.

Restart Windows for the change to take effect.

Registry Editor Example
|(Default)REG_SZ(value not set)|
|Max Cached IconsREG_SZ"4096"|
Registry Settings
System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer]
Value Name: Max Cached Icons
Data Type: REG_SZ (String Value)
Value Data: 100 - 4096 (default = 500)

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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last modified: August 9, 2002