我的电脑窗口最小化后不能在任务栏显示，怎么解决？

可以从网上下载这个软件Taskbar Repair Tool Plus! 用以修复 XP 下任务栏显示不正常的各种问题。
或者：

把箭头后的文本全部复制到notepad，取名xxx.vbs，然后执行。放心使用！！！
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Set WSHShell = WScript.CreateObject("WScript.Shell")
Message = "本脚本用于修复Windows XP中当最小化程序时，无法在任务栏显示图标的问题。"& vbCR & vbCR
Message = Message & "为了正常工作，本脚本将关闭和重启 Windows Explorer 外壳，这个操作不会损坏你的系统。" & vbCR & vbCR
Message = Message & "请关闭所有杀毒软件的实时监控！并保存所有打开的文件。"& vbCR & vbCR
Message = Message & "是否继续？"

X = MsgBox(Message, vbYesNo+vbExclamation, "注意")

If X = 6 Then

On Error Resume Next

WshShell.RegDelete "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\StuckRects2\"
WshShell.RegDelete "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\StreamsMRU\"
WshShell.RegDelete "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Streams\Desktop\"

WshShell.RegDelete "HKCU\Software\Microsoft\Internet Explorer\Explorer Bars\{32683183-48a0-441b-a342-7c2a440a9478}\BarSize"

P1 = "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"

WshShell.RegWrite p1 & "NoBandCustomize", 0, "REG_DWORD"
WshShell.RegWrite p1 & "NoMovingBands", 0, "REG_DWORD"
WshShell.RegWrite p1 & "NoCloseDragDropBands", 0, "REG_DWORD"
WshShell.RegWrite p1 & "NoSetTaskbar", 0, "REG_DWORD"
WshShell.RegWrite p1 & "NoToolbarsOnTaskbar", 0, "REG_DWORD"
WshShell.RegWrite p1 & "NoSaveSettings",0,"REG_DWORD"
WshShell.RegWrite p1 & "NoToolbarsOnTaskbar", 0, "REG_DWORD"
WshShell.RegWrite p1 & "NoSetTaskbar",0,"REG_DWORD"
WshShell.RegWrite p1 & "NoActiveDesktop",0,"REG_DWORD"
WshShell.RegWrite p1 & "ClassicShell",0,"REG_DWORD"

p1 = "HKCU\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\LocalUser\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"

WshShell.RegWrite p1 & "NoCloseDragDropBands", 0, "REG_DWORD"
WshShell.RegDelete p1 & "NoMovingBands"

p1 = "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell"

WshShell.RegWrite p1, "explorer.exe", "REG_SZ"

p1 = "HKCU\Software\Microsoft\Internet Explorer\Explorer Bars\{32683183-48a0-441b-a342-7c2a440a9478}\"
WshShell.RegDelete p1 & "BarSize"
WshShell.RegWrite p1, "Media Band", "REG_SZ"

On Error Goto 0

For Each Process in GetObject("winmgmts:"). _
ExecQuery ("select * from Win32_Process where name='explorer.exe'")
Process.terminate(0)
Next

MsgBox "完成！" & vbcr & vbcr & "?Kelly Theriot and Doug Knox", 4096, "完成"

Else

MsgBox "没有对你的系统进行任何改变。" & vbcr & vbcr & "?Kelly Theriot and Doug Knox", 4096, "用户取消了"

End If

下一个TaskbarRepairToolPlus软件修复一下即可

应该是注册表有问题，尝试修复下注册表试试看 。