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If you find that your desktop icons are corrupted/ garbled, wrong images appear or suffering from frequent redraws then you may need to increase the size of yoru icon cache. To increase the icon cache file (C:\Documents and Settings\Your User Name\Local Settings\Application Data\Iconcache.db) size

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) .

Consider modifying these registry keys as well:

[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_MACHINESOFTWAREMicrosoftWindowsCurrentVersionexplorerAdvancedIconCacheSmall]
"RegPath"="SoftwareMicrosoftWindowsCurrentVersionExplorer"
"Text"="1024 Icons"
"Type"="radio"
"CheckedValue"="1024"
"ValueName"="Max Cached Icons"
"DefaultValue"="2048"
"HKeyRoot"=dword:80000002
"HelpID"="update.hlp#51140"

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionexplorerAdvancedIconCacheMedium]
"RegPath"="SoftwareMicrosoftWindowsCurrentVersionExplorer"
"Text"="2048 Icons"
"Type"="radio"
"CheckedValue"="2048"
"ValueName"="Max Cached Icons"
"DefaultValue"="2048"
"HKeyRoot"=dword:80000002
"HelpID"="update.hlp#51140"

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionexplorerAdvancedIconCacheLarge]
"RegPath"="SoftwareMicrosoftWindowsCurrentVersionExplorer"
"Text"="4096 Icons"
"Type"="radio"
"CheckedValue"="4096"
"ValueName"="Max Cached Icons"
"DefaultValue"="2048"
"HKeyRoot"=dword:80000002
"HelpID"="update.hlp#51140"

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionexplorerAdvancedIconCacheHuge]
"RegPath"="SoftwareMicrosoftWindowsCurrentVersionExplorer"
"Text"="8192 Icons"
"Type"="radio"
"CheckedValue"="8192"
"ValueName"="Max Cached Icons"
"DefaultValue"="2048"
"HKeyRoot"=dword:80000002
"HelpID"="update.hlp#51140"

Operating System Windows XPOperating System Windows XP

Filed under: Operating System, Windows XP