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Recommended: Use Fortect System Repair to repair NPOI.dll errors. This repair tool has been proven to identify and fix errors and other Windows problems with high efficiency. Download Fortect here.

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Filename
NPOI.dll
Version
Filesize
8.71 KB
Category
Generic
MD5
7935f6b20988425544f36eab613b4d3d
SHA1
97ae978adbaf036b9193d40799c89af552265d10
SHA256
655cde5691489efe913925d45cd378aabc9670aaf26603ce25157d3c12238275
CRC32
14000349

DLL files, also known as Dynamic Link Libraries, play a crucial role in computer systems. These files contain code and data that multiple programs can use simultaneously. One such DLL file is NPOI.dll.

This particular DLL file, NPOI.dll, is associated with the NPOI library, which stands for "Nano Plan and Office Interoperability." With NPOI.dll, developers can read, write, and manipulate Microsoft Office files without requiring Microsoft Office to be installed on the computer. While DLL files like NPOI.dll offer great convenience, users may sometimes encounter issues, such as missing or corrupted DLL file errors, which can disrupt the functioning of related software.

Error - NPOI.dll
The program can't start because NPOI.dll is missing from your computer. Try reinstalling the program to fix this problem.

What is NPOI.dll?

A DLL file, like NPOI.dll, is an important component of computer systems. It stands for Dynamic Link Library and contains reusable code and data that multiple programs can use at the same time. NPOI.dll specifically serves a crucial role in the functionality of the software called Defraggler.

In the context of Defraggler, NPOI.dll enables the program to manipulate Microsoft Excel files. It provides the necessary functions and resources that allow Defraggler to read, create, or modify Excel files seamlessly. Without NPOI.dll, Defraggler would not be able to perform tasks related to Excel files, limiting its functionality and usefulness to users.

Therefore, NPOI.dll plays a vital role in enhancing the capabilities of Defraggler and ensures smooth Excel file operations within the program.

DLL files, fundamental to our systems, can sometimes lead to unexpected errors. Here, we provide an overview of the most frequently encountered DLL-related errors.

  • NPOI.dll could not be loaded: This means that the DLL file required by a specific program or process could not be loaded into memory. This could be due to corruption of the DLL file, improper installation, or compatibility issues with your operating system.
  • This application failed to start because NPOI.dll was not found. Re-installing the application may fix this problem: This error is thrown when a necessary DLL file is not found by the application. It might have been accidentally deleted or misplaced. Reinstallation of the application can possibly resolve this issue by replacing the missing DLL file.
  • Cannot register NPOI.dll: This denotes a failure in the system's attempt to register the DLL file, which might occur if the DLL file is damaged, if the system lacks the necessary permissions, or if there's a conflict with another registered DLL.
  • The file NPOI.dll is missing: The specified DLL file couldn't be found. It may have been unintentionally deleted or moved from its original location.
  • NPOI.dll not found: The system failed to locate the necessary DLL file for execution. The file might have been deleted or misplaced.

File Analysis: Is NPOI.dll a Virus?

The file in question, NPOI.dll, has been thoroughly scanned and shows no signs of virus detection, as evidenced by the clean results from 0 distinct virus scanners. It's always reassuring to encounter files with no known associated threats, as these pose a lesser risk to your system's integrity and performance.

Maintaining System Security

A healthy computing environment is achieved through attentive management and proactive protective measures. Keep your system's defenses updated and periodically scan files to maintain your computer's security and performance.

How to Remove NPOI.dll

If the need arises to completely eliminate the NPOI.dll file from your system, follow these steps cautiously. When dealing with system files, it's crucial to exercise care to avoid unexpected system behavior.

  1. Locate the File: Begin by finding the whereabouts of NPOI.dll on your computer. You can do this by right-clicking the file (if visible) and selecting Properties, or by employing the search feature in File Explorer.

  2. Safeguard Your Data: Before proceeding, ensure you have a backup of important data. This ensures that your vital files are secure in case of any mishaps.

  3. Remove the File: Once you've pinpointed NPOI.dll, right-click on it and choose Delete. This action moves the file to the Recycle Bin.

  4. Empty the Recycle Bin: After deleting NPOI.dll, don't forget to empty the Recycle Bin to entirely purge the file from your system. Right-click on the Recycle Bin and select Empty Recycle Bin.

  5. Conduct a System Scan: Following the file removal, execute a comprehensive system scan using a reputable antivirus tool to ensure there are no lingering file remnants or potential threats.

Note: It's important to note that if NPOI.dll is tied to a specific program, its removal may impact the program's functionality. If you encounter issues post-deletion, consider reinstalling the software or seeking assistance from a tech expert.

Repair NPOI.dll Error Automatically

Featured Guide
Repair NPOI.dll Error Automatically Thumbnail
Difficulty
Easy
Steps
9
Time Required
3 minutes
Sections
3
Description

In this guide, we will fix NPOI.dll errors automatically.

Step 1: Download Fortect (AUTOMATIC FIX)

Step 1: Download Fortect (AUTOMATIC FIX) Thumbnail
  1. Click the Download Fortect button.

  2. Save the Fortect setup file to your device.

Step 2: Install Fortect

Step 2: Install Fortect Thumbnail
  1. Locate and double-click the downloaded setup file.

  2. Follow the on-screen instructions to install Fortect.

Step 3: Run Fortect

Step 3: Run Fortect Thumbnail
  1. Finish the installation and open Fortect.

  2. Select the System Scan option.

  3. Allow Fortect to scan your system for errors.

  4. Review the scan results once completed.

  5. Click on Fix Errors to start the repair process.

Run the Windows Check Disk Utility

Run the Windows Check Disk Utility Thumbnail
Difficulty
Intermediate
Steps
7
Time Required
10 minutes
Sections
4
Description

In this guide, we will explain how to use the Check Disk Utility to fix NPOI.dll errors.

Step 1: Open the Command Prompt

Step 1: Open the Command Prompt Thumbnail
  1. Press the Windows key.

  2. Type Command Prompt in the search bar and press Enter.

  3. Right-click on Command Prompt and select Run as administrator.

Step 2: Run Check Disk Utility

Step 2: Run Check Disk Utility Thumbnail
  1. In the Command Prompt window, type chkdsk /f and press Enter.

  2. If the system reports that it cannot run the check because the disk is in use, type Y and press Enter to schedule the check for the next system restart.

Step 3: Restart Your Computer

Step 3: Restart Your Computer Thumbnail
  1. If you had to schedule the check, restart your computer for the check to be performed.

Step 4: Check if the Problem is Solved

Step 4: Check if the Problem is Solved Thumbnail
  1. After the check (and restart, if necessary), check if the NPOI.dll problem persists.

Update Your Operating System

Update Your Operating System Thumbnail
Difficulty
Intermediate
Steps
8
Time Required
10 minutes
Sections
5
Description

In this guide, we will walk through the process of updating your operating system to fix the NPOI.dll error.

Step 1: Open Windows Settings

Step 1: Open Windows Settings Thumbnail
  1. Press the Windows key.

  2. Click on Settings (the gear icon).

Step 2: Go to Update & Security

Step 2: Go to Update & Security Thumbnail
  1. In the Settings window, click on Update & Security.

Step 3: Check for Updates

Step 3: Check for Updates Thumbnail
  1. On the Windows Update tab, click on Check for updates.

  2. Windows will start searching for updates. If there are any updates available, they will start downloading automatically.

Step 4: Install Updates

Step 4: Install Updates Thumbnail
  1. Once the updates are downloaded, click on Install now.

  2. Your computer may restart several times during the installation process.

Step 5: Check if the Problem is Solved

Step 5: Check if the Problem is Solved Thumbnail
  1. After the updates are installed, check if the NPOI.dll problem persists.

Software that installs NPOI.dll

Software File MD5 File Version
2.17
28.0.5156....
f2ce05183a993cd8cbd46cc0b08e08a0
Files related to NPOI.dll
File Type Filename MD5
DLL
36e4f9f1a7989b5f131eceae3712661b
DLL
c6f0c328a8ccc6546c63fd50acf7bdd4
DLL
9cce3bbb581366fd4370cbf7e0b0ac16
DLL
0c5020e346d074e2342dc2dfac4ce6e1
DLL
08f87cb6851714664f80d9ea32b3a02b
SYS
e3214880f643b494d44c9d6526a17a30
DLL
11810df7b8e5ecc5cd754feacaee55c3
DLL
14e453d5d9c10288608ff53a553a074c
DLL
d3d44e5af3b835d05615ace5c8969237
DLL
c29f4cffbdf258a657263aac5f09a96e