本文目录导读：

1. Ntldr.exe缺失的常见原因
2. Ntldr.exe缺失的解决方法

Ntldr.exe缺失的常见原因

1. 

   误删或删除
   用户可能在无意中删除了Ntldr.exe文件，或者误删了包含该文件的文件夹,这种情况通常可以通过重新安装系统或恢复出厂设置来解决。

2. 系统文件损坏
   系统文件是操作系统的核心文件，如果系统文件损坏，Ntldr.exe可能会无法正常启动,这种情况可以通过系统修复工具来解决。

3. 病毒或恶意软件入侵
   病毒或恶意软件可能会干扰系统进程的运行，导致Ntldr.exe无法正常启动,这种情况需要进行全面的杀毒扫描。

4. 驱动器损坏
   如果某个驱动器损坏，Ntldr.exe可能会无法读取，导致系统启动失败,这种情况可以通过重装驱动器或修复驱动器来解决。

5. 系统文件完整性问题
   系统文件完整性问题可能导致Ntldr.exe无法正常启动,这种情况可以通过系统文件完整性检测工具来解决。

Ntldr.exe缺失的解决方法

1. 重新安装系统
   如果Ntldr.exe完全缺失，最简单的方法是重新安装操作系统,这可以确保系统文件和所有必要的文件都完整无误。

2. 手动修复Ntldr.exe
   如果Ntldr.exe部分缺失，可以尝试手动修复。

   • 打开命令提示符（以管理员身份）。
   • 输入命令：`regsvr32 ntdllr32.40000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000