解决办法和操作步骤如下:
1、首先试看看重新启动能否解决问题。
![](https://iknow-pic.cdn.bcebos.com/0ff41bd5ad6eddc41344088235dbb6fd52663323?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、如果还不能解决的话,就点击键盘上面的Ctrl+Alt+Del组合键,启动任务管理器;
![](https://iknow-pic.cdn.bcebos.com/f31fbe096b63f624d9dc857a8b44ebf81b4ca3c2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、然后点击任务管理器上方的“文件--创建新任务”,在框中输入regedit回车打开注册表编辑器;
![](https://iknow-pic.cdn.bcebos.com/8cb1cb1349540923d184df079e58d109b2de49dd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、然后在注册表中依次展开到HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogon,在右侧窗口中找到“Shell”这个值;
![](https://iknow-pic.cdn.bcebos.com/b151f8198618367aa211c3a422738bd4b31ce52b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、然后双击打开“Shell”项,将其数据更改为explorer.exe,接着退出注册表编辑器,重启计算机就可以解决问题。