Tried two ways,
1. Modify Max Cached Icons
Http://www.open-open.com/lib/view/open1414396787325.html
2. Change the order of icons
Http://jingyan.baidu.com/article/359911f552827957fe0306f8.html
Does not work, use this, save as reg file, run can
Windows Registry Editor Version 5.00[hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers][hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\ 1TortoiseNormal]@= "{C5994560-53D9-4125-87C9-F193FC689CB2}"[hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\ 2TortoiseModified]@= "{C5994561-53D9-4125-87C9-F193FC689CB2}"[hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\ 3TortoiseConflict]@= "{C5994562-53D9-4125-87C9-F193FC689CB2}"[hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\ 4TortoiseLocked]@= "{C5994563-53D9-4125-87C9-F193FC689CB2}"[hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\ 5TortoiseReadOnly]@= "{C5994564-53D9-4125-87C9-F193FC689CB2}"[hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\ 6TortoiseDeleted]@= "{C5994565-53D9-4125-87C9-F193FC689CB2}"[hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\ 7TortoiseAdded]@= "{C5994566-53D9-4125-87C9-F193FC689CB2}"[hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\ 8TortoiseIgnored]@= "{C5994567-53D9-4125-87C9-F193FC689CB2}"[hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\ 9TortoiseUnversioned]@= "{C5994568-53D9-4125-87C9-F193FC689CB2}"[Hkey_local_machine\software\microsoft\windows\currentversion\explorer\shelliconoverlayidentifiers\offline Files]@= "{750fdf0e-2a26-11d1-a3ea-080036587f03}"
Original link http://blog.csdn.net/boli1020/article/details/18614517
Tortoisegit folder and file icons do not display a workaround