Win7 清除圖示快取批次檔：一鍵修復圖示顯示異常、空白、錯誤

圖示快取損壞會導致捷徑圖示空白、錯誤、舊圖不更新。以管理員身分執行以下批次檔即可重建：

@echo off
rem 關閉 Explorer
taskkill /f /im explorer.exe
rem 刪除圖示快取資料庫
attrib -h -s -r "%userprofile%\AppData\Local\IconCache.db"
del /f "%userprofile%\AppData\Local\IconCache.db"
attrib /s /d -h -s -r "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\*"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_32.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_96.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_102.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_1024.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_sr.db"
rem 清除系統托盤記憶圖示
echo y | reg delete "HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify" /v IconStreams
echo y | reg delete "HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify" /v PastIconsStream
rem 重啟 Explorer
start explorer

另存為 `清除圖示快取.bat`，右鍵「以管理員身分執行」即可。執行過程螢幕會閃爍屬正常。