Windows operating system contains a description of 'NT Layer DLL' in a file named ntdll.dll. This is the file that comprises of all NT kernel functions. But there are various factors that can affect ntdll.dll file and halt its working in a Windows computer. Such situations are troublesome and call for Hard Drive Recovery solutions. The article describes some of these Ntdll.dll errors and the corresponding solutions to deal with those problems.
Ntdll.dll errors are usually caused after or before you use a program, when you start or shutdown Windows, when you are running a program, or when you are installing Windows. Some of the commonly occurring ntdll.dll errors are:
“STOP: C0000221 unknown hard error \SystemRoot\System32\ntdll.dll”
“Unhandled exception at [ANY ADDRESS] (NTDLL.DLL)”
“AppName: [PROGRAM NAME] ModName: ntdll.dll”
If any of these errors occurs at the time of Windows startup, it won't allow you to access the data on the hard drive.
Most of the times, ntdll.dll errors occur because the ntdll.dll file is missing or damaged. Other reasons can be conflicting programs, corrupt hardware drivers, and malfunctioning hardware.
Steps to Solve the Issue
Ntdll.dll errors can be temporary, which can be resolved by simply rebooting the computer
If you encounter these errors only with a specific program, reinstall it. Also, reinstall all the patches and updates available for the program.
Install the latest service packs for your Windows version.
If ntdll.dll error occurs when you use Internet Explorer, one or more add-in might be creating the problem. Disable each of them, one at a time and determine the problematic add-on.
Disable Data Execution Prevention for Explorer.exe. Make sure you revert these settings back to original ones if this doesn't resolve the issue.
Update all the device drivers of your computer
Replace the computer memory if required
Replace the malfunctioning IDE cable and/or hardware components if any
Repair your Windows installation
As the last resort, perform a clean Windows reinstallation
For any type of backup concerns after reinstalling Windows, use a Windows Hard Drive Recovery software. These 222Hard Drive Recovery222 utilities can scan a Windows hard drive for lost files and folders and restore them at a safe location.
Stellar Phoenix windows data recovery is a reliable utility for recovering lost data from hard drive installed on Windows 7, Vista, XP, 2003, or 2000 computer. This Windows Hard Drive Recovery tool supports FAT32, VFAT, NTFS, and NTFS5 file systems and incorporates advanced features, like cloning the disk, masking, resume recovery to aid the process of recovery.
Resolving Unknown Hard Error Ntdll.dll Errors