REGEDIT4

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Advanced\IconCache]
"Text"="Icon Cache Size"
"Type"="group"
"Bitmap"="SHDOC401.DLL,6"
"HelpID"="update.hlp#51140"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Advanced\IconCache\Small]
"RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer"
"Text"="1024 Icons"
"Type"="radio"
"CheckedValue"="1024"
"ValueName"="Max Cached Icons"
"DefaultValue"="2048"
"HKeyRoot"=dword:80000002
"HelpID"="update.hlp#51140"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Advanced\IconCache\Medium]
"RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer"
"Text"="2048 Icons"
"Type"="radio"
"CheckedValue"="2048"
"ValueName"="Max Cached Icons"
"DefaultValue"="2048"
"HKeyRoot"=dword:80000002
"HelpID"="update.hlp#51140"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Advanced\IconCache\Large]
"RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer"
"Text"="4096 Icons"
"Type"="radio"
"CheckedValue"="4096"
"ValueName"="Max Cached Icons"
"DefaultValue"="2048"
"HKeyRoot"=dword:80000002
"HelpID"="update.hlp#51140"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Advanced\IconCache\Huge]
"RegPath"="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer"
"Text"="8192 Icons"
"Type"="radio"
"CheckedValue"="8192"
"ValueName"="Max Cached Icons"
"DefaultValue"="2048"
"HKeyRoot"=dword:80000002
"HelpID"="update.hlp#51140"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer]
"Max Cached Icons"="2048"