使用win7系统的网友在安装CAD的时候，都会遇到1606错误，网上的一些解决方法很不正规，或者没有办法解决方案。
本站通过技术员验证，收集到了一个比较正确的解决方案。6个步骤简单帮你解决
1、新建记事本。
2、将以下内容复制到记事本。
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"!Do not use this registry key"="Use the SHGetFolderPath or SHGetKnownFolderPath function instead"
"AppData"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,52,\
00,6f,00,61,00,6d,00,69,00,6e,00,67,00,00,00
"Cache"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,4c,\
00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,4c,00,\
6f,00,63,00,61,00,6c,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,73,00,6f,00,66,\
00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,00,54,00,65,00,\
6d,00,70,00,6f,00,72,00,61,00,72,00,79,00,20,00,49,00,6e,00,74,00,65,00,72,\
00,6e,00,65,00,74,00,20,00,46,00,69,00,6c,00,65,00,73,00,00,00
"Cookies"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,52,\
00,6f,00,61,00,6d,00,69,00,6e,00,67,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,\
73,00,6f,00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,\
00,43,00,6f,00,6f,00,6b,00,69,00,65,00,73,00,00,00
"Desktop"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,44,00,65,00,73,00,6b,00,74,00,6f,00,70,00,00,00
"Favorites"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,46,00,61,00,76,00,6f,00,72,00,69,00,74,00,65,00,73,\
00,00,00
"History"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,4c,\
00,6f,00,63,00,61,00,6c,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,73,00,6f,00,\
66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,00,48,00,69,\
00,73,00,74,00,6f,00,72,00,79,00,00,00
"Local AppData"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,\
49,00,4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,\
00,4c,00,6f,00,63,00,61,00,6c,00,00,00
"My Pictures"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,\
00,4c,00,45,00,25,00,5c,00,50,00,69,00,63,00,74,00,75,00,72,00,65,00,73,00,\
00,00
"My Music"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,4d,00,75,00,73,00,69,00,63,00,00,00
"My Video"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,56,00,69,00,64,00,65,00,6f,00,73,00,00,00
"{374DE290-123F-4565-9164-39C4925E467B}"=hex(2):25,00,55,00,53,00,45,00,52,00,\
50,00,52,00,4f,00,46,00,49,00,4c,00,45,00,25,00,5c,00,44,00,6f,00,77,00,6e,\
00,6c,00,6f,00,61,00,64,00,73,00,00,00
"NetHood"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,52,\
00,6f,00,61,00,6d,00,69,00,6e,00,67,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,\
73,00,6f,00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,\
00,4e,00,65,00,74,00,77,00,6f,00,72,00,6b,00,20,00,53,00,68,00,6f,00,72,00,\
74,00,63,00,75,00,74,00,73,00,00,00
"Personal"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,44,00,6f,00,63,00,75,00,6d,00,65,00,6e,00,74,00,73,\
00,00,00
"PrintHood"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,52,\
00,6f,00,61,00,6d,00,69,00,6e,00,67,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,\
73,00,6f,00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,\
00,50,00,72,00,69,00,6e,00,74,00,65,00,72,00,20,00,53,00,68,00,6f,00,72,00,\
74,00,63,00,75,00,74,00,73,00,00,00
"Programs"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,52,\
00,6f,00,61,00,6d,00,69,00,6e,00,67,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,\
73,00,6f,00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,\
00,53,00,74,00,61,00,72,00,74,00,20,00,4d,00,65,00,6e,00,75,00,5c,00,50,00,\
72,00,6f,00,67,00,72,00,61,00,6d,00,73,00,00,00
"Recent"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,4c,\
00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,52,00,\
6f,00,61,00,6d,00,69,00,6e,00,67,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,73,\
00,6f,00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,00,\
52,00,65,00,63,00,65,00,6e,00,74,00,00,00
"SendTo"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,4c,\
00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,52,00,\
6f,00,61,00,6d,00,69,00,6e,00,67,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,73,\
00,6f,00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,00,\
53,00,65,00,6e,00,64,00,54,00,6f,00,00,00
"Start Menu"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,\
00,4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,\
52,00,6f,00,61,00,6d,00,69,00,6e,00,67,00,5c,00,4d,00,69,00,63,00,72,00,6f,\
00,73,00,6f,00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,\
5c,00,53,00,74,00,61,00,72,00,74,00,20,00,4d,00,65,00,6e,00,75,00,00,00
"Startup"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,52,\
00,6f,00,61,00,6d,00,69,00,6e,00,67,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,\
73,00,6f,00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,\
00,53,00,74,00,61,00,72,00,74,00,20,00,4d,00,65,00,6e,00,75,00,5c,00,50,00,\
72,00,6f,00,67,00,72,00,61,00,6d,00,73,00,5c,00,53,00,74,00,61,00,72,00,74,\
00,75,00,70,00,00,00
"Templates"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,00,\
4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,52,\
00,6f,00,61,00,6d,00,69,00,6e,00,67,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,\
73,00,6f,00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,\
00,54,00,65,00,6d,00,70,00,6c,00,61,00,74,00,65,00,73,00,00,00
"CD Burning"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,\
00,4c,00,45,00,25,00,5c,00,41,00,70,00,70,00,44,00,61,00,74,00,61,00,5c,00,\
4c,00,6f,00,63,00,61,00,6c,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,73,00,6f,\
00,66,00,74,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,5c,00,42,00,\
75,00,72,00,6e,00,5c,00,42,00,75,00,72,00,6e,00,00,00
"Fonts"=hex(2):25,00,77,00,69,00,6e,00,64,00,69,00,72,00,25,00,5c,00,46,00,6f,\
00,6e,00,74,00,73,00,00,00
3 另存为 *.reg
4 双击 注册 *.reg
5 安装cad
6 OK