※ 引述《hau (小豪)》之铭言：
: 我更新 Miktex2.9
: 更新出错，现在编译时出现
: https://imgur.com/a/FeEy0Po
: 我试着重新安装，我去控制台里找 Miktex2.9 把它移除。
: 后来，在 C:\Program Files 中还是有 \MiKTeX 2.9
: 我直接装 basic-miktex-2.9.6813-x64.exe
: 它显示 C:\Program Files\MiKTeX 2.9 非空，不能装。
: 我想要是能重装，应该就可以了，可是现在不知怎么重装。
想移除旧的 MiKTeX 2.9
我找到这个：(网络上找到2011.11.25的文章，应该还是可用吧)
Removing MiKTeX
There is no uninstall option (yet), thus you have to do it by hand if you de
cide to remove MiKTeX:
1. Remove the main TEXMF folder (usually c:\Program Files\MiKTeX) including
sub folders.
2. Remove the local TEXMF folder (usually c:\Local MiKTeX) including sub
f
olders.
3. Remove Registry entries:
1. Start regedit
2. Open the key HKEY_LOCAL_MACHINE\SOFTWARE and delete the MiK subkey.
3. Open the key HKEY_CURRENT_USER\Software and delete the MiK subkey.
4. Remove the MiKTeX item from the Windows start menu.
5. Remove the bin directory from the PATH. （）
6. reboot
下面的1.2.3.5.不懂，请问如何操作？