NPAUTHZ.DLL - Repair Issues and Download

Sometimes Windows system displays error messages regarding corrupted or missing NPAUTHZ.DLL files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent NPAUTHZ.DLL file can therefore effect in failed execution of the started process.

NPAUTHZ.DLL file Dynamic Link Library. The file was developed by Microsoft for use with Office software. Here you will find detailed information about the file and instructions how to proceed in the event of NPAUTHZ.DLL related errors on your device. You can also download NPAUTHZ.DLL file compatible with Windows 7, Windows 7 devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 7, Windows 7

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download NPAUTHZ.DLL

4.1 List of NPAUTHZ.DLL file versions

File info

General information
Filename	NPAUTHZ.DLL
File extension	DLL
Type	Dynamic Link Library
Description	Dynamic Link Library

Software
Program	Office 2010
Software	Office
Author	Microsoft
Software version	2010

Details
File size	18336
Oldest file	2017-05-10
Latest file	2017-05-10

Most common NPAUTHZ.DLL file related problems

There are various types of errors related to NPAUTHZ.DLL file. NPAUTHZ.DLL file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to NPAUTHZ.DLL file. If you encounter one listed below (or similar), please consider the following suggestions.

NPAUTHZ.DLL is corrupted
NPAUTHZ.DLL cannot be located
Runtime Error - NPAUTHZ.DLL
NPAUTHZ.DLL file error
NPAUTHZ.DLL file cannot be loaded. Module was not found
cannot register NPAUTHZ.DLL file:
NPAUTHZ.DLL file could not be loaded
NPAUTHZ.DLL file doesn't exist

NPAUTHZ.DLL

Application could not be started because NPAUTHZ.DLL file is missing. Reinstall the application to solve the problem.

Problems related to NPAUTHZ.DLL can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing NPAUTHZ.DLL file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix NPAUTHZ.DLL errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

NPAUTHZ.DLL file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with NPAUTHZ.DLL file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to NPAUTHZ.DLL file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of NPAUTHZ.DLL or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to NPAUTHZ.DLL file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the NPAUTHZ.DLL file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the NPAUTHZ.DLL file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the NPAUTHZ.DLL file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace NPAUTHZ.DLL file

The last solution is to manually download and replace NPAUTHZ.DLL file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded NPAUTHZ.DLL file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of NPAUTHZ.DLL file example directory paths.

Windows 7: C:\Program Files\Microsoft Office\Office14\
Windows 7: C:\Program Files\Microsoft Office\Office14\

If the steps did not solve your NPAUTHZ.DLL file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename NPAUTHZ.DLL

System Windows 7

File size 18336 bytes

Date -0001-11-30

Download

File details
	MD5	4ed3e7e2e6b12b194a5d5f602183858a
	SHA1	f14d2014bf6c08d37560af3a67bce19d5b43a3ef
	SHA256	473892b94a8caa5a3f8cf82ca492fa6df953e7e09ef13a26a562109125ddafd3
	CRC32	4379ba7a
	Example file location	C:\Program Files\Microsoft Office\Office14\

Filename NPAUTHZ.DLL

System Windows 7

File size 16800 bytes

Date 2017-05-10

Download

File details
	MD5	7e2b763cf671adb558d5f7110889d469
	SHA1	e9b193accdcf635b14a7635af0e08bfc5d4d4f63
	SHA256	9b221926165a8c577994d2992b5410bd9699e41bf4b92241624b7c69b5eb8707
	CRC32	be327857
	Example file location	C:\Program Files\Microsoft Office\Office14\