最近有Win7系统用户反映，登录LOL的时候出现提示“LOL登录时遇到了一个预期之外的错误”，导致LOL登入失败，用户反复试了几次，结果都一样，这让用户非常烦恼，那么，Win7系统LOL登录时遇到了一个预期之外的错误如何解决呢？下面，我们一起往下看看。

　　方法/步骤

　　1、找到我们本机内的hosts文件，如果Hosts在指向的时候出现了问题，是会出现LOL登入时遇到了一个预期之外的错误这种问题的；

　　2、一般情况下路径为C：\Windows\System32\drivers\etc，找到这个文件然后清空文件内容，复制以下内容粘贴进去；

1. 01# Copyright (c) 1993-2009 Microsoft Corp.
2. 02#
3. 03# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
4. 04#
5. 05# This file contains the mappings of IP addresses to host names. Each
6. 06# entry should be kept on an individual line. The IP address should
7. 07# be placed in the first column followed by the corresponding host name.
8. 08# The IP address and the host name should be separated by at least one
9. 09# space.
10. 10#
11. 11# Additionally, comments (such as these) may be inserted on individual
12. 12# lines or following the machine name denoted by a '#' symbol.
13. 13#
14. 14# For example:
15. 15#
16. 16# 102.54.94.97 rhino.acme.com # source server
17. 17# 38.25.63.10 x.acme.com # x client host
18. 18# localhost name resolution is handled within DNS itself.
19. 19# 127.0.0.1 localhost
20. 20# ::1 localhost

复制代码 # Copyright (c) 1993-2009 Microsoft Corp. # # This is a sample HOSTS file used by Microsoft TCP/IP for Windows. # # This file contains the mappings of IP addresses to host names. Each # entry should be kept on an individual line. The IP address should # be placed in the first column followed by the corresponding host name. # The IP address and the host name should be separated by at least one # space. # # Additionally, comments (such as these) may be inserted on individual # lines or following the machine name denoted by a '#' symbol. # # For example: # # 102.54.94.97 rhino.acme.com # source server # 38.25.63.10 x.acme.com # x client host # localhost name resolution is handled within DNS itself. # 127.0.0.1 localhost # ::1 localhost

　　3、更改完Hosts文件后找到我们的网络连接，然后找到自己当前使用的网络连接（本地连接），右键选择属性，找到下图所标记的协议；

　　4、把DNS更改为公网DNS大家可以参考下今年评估的DNS排名，选择你所需要的DNS作为固定DNS；

　　5、最后只需要重置下网络协议即可，这里我们可以使用本机自带的DOS命令进行重置也可以使用第三方软件进行重置；

　　6、这样就可以顺利登入游戏了，导致这种情况出现的原因一般为高峰期、更新后、或者有些人被封号了也会导致这类情况的出现，被封号这种情况是无法通过重置网络设置解除的。

　　以上就是Win7系统LOL登录时遇到了一个预期之外的错误的具体解决方法，按照以上方法进行操作，相信再次登入LOL的时候，就能正常登入了。