方法一：

打开“windows资源管理器”窗口，按下Alt键，在随后出现的菜单栏上点击“工具/文件夹选项”，选择“查看”标签，然后取消“始终显示图标，从不显示缩略图”这个选项的选择即可。

http://s14/mw690/53843927gx6D1JorXcHc7&690

http://s14/mw690/53843927gx6D1JPAN9Y5e&690

http://s14/mw690/53843927gx6D1HbUNNr0d&690

方法二：

打开记事本，把下面的代码复制在里面：

'RepairImage.vbs

'Start of Image Preview Repair

'This section repairs the associations for Image Preview

Option Explicit

'Declare variables

Dim WSHShell, p1, p2, p3

Set WSHShell = WScript.CreateObject("WScript.Shell")

p2 = "\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}\"

p3 = "{7376D660-C583-11d0-A3A5-00C04FD706EC}"

For Each p1 in Array(".art",".bmp",".dib",".gif",".jfif",".jpe",".jpeg",".jpg",".png",".wmf")

WSHShell.RegWrite "HKCR\" & p1 & p2, p3

Next

p1 = ".tif"

p3 = "{1AEB1360-5AFC-11d0-B806-00C04FD706EC}"

WSHShell.RegWrite "HKCR\" & p1 & p2, p3

p1 = ".tiff"

WSHShell.RegWrite "HKCR\" & p1 & p2, p3

p1 = ".htm"

p3 = "{EAB841A0-9550-11cf-8C16-00805F1408F3}"

WSHShell.RegWrite "HKCR\" & p1 & p2, p3

p1 = ".html"

WSHShell.RegWrite "HKCR\" & p1 & p2, p3

'Start of Thumbnail Repair

'This section repairs the view in Thumbnail mode of Explorer.

p2 = "\CLSID\"

p3 = "{25336920-03F9-11cf-8FD0-00AA00686F13}"

For Each p1 in Array(".art",".bmp",".dib",".gif",".jfif",".jpe",".jpeg",".jpg",".png",".tif",".tiff",".wmf")

WSHShell.RegWrite "HKCR\" & p1 & p2, p3

Next

MsgBox "Image Preview and Thumbnail View File" & vbCR & "Associations have been restored.", 4096, "Confirmation"

Set WSHShell = Nothing

保存为fil.vbs 然后运行