By Zoey twitter/ Last Updated February 3, 2023

Why Do You Need Cloud Backup?

  • Are you afraid of accidentally losing the data stored on your hard drive?
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  • Backup all your data to the cloud offsite, never lose data and recover them from any PC.

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“I Get an NSIS Error Message!”

“My Dropbox sync cannot work properly, so I want to uninstall it and reinstall it. But I met the Dropbox NSIS error on Windows 10, which give me the message ‘NSIS error launching installer’ on the screen. How to fix such an error? Can anyone tell me? Thank you in advance!”

Dropbox Main Page

As one of the most popular cloud services, Dropbox has a large number of users. During the process of use, there are different kinds of issues they may meet, such as Dropbox screenshot not working, Dropbox error 400, Dropbox unable to generate links. And Dropbox NSIS error is also a common question that bothers users much. But don’t worry, we have concluded 6 efficient ways to fix it.

Situations with Dropbox NSIS Error

NSIS stands for Nullsoft Scriptable Install System. NSIS error usually occurs when you are trying to install the software. The cause of this error is usually that the setup file is corrupted or incomplete, or that the file does not match the settings of your computer system.

There are several situations you may meet this error:

There are viruses on your computer.

The files of software you downloaded are not complete.

The files are changed and differ from the original file.

The required hardware cannot work.

Thus, we provide some easy solutions to such an error. You can try them one by one, then install the software again.

6 Ways to Fix Dropbox NSIS Error

According to different causes of Dropbox NSIS error, we prepare 6 different solutions for you. You can try them to solve the situation you encounter.

   Method 1. Scan Your Computer for Viruses

One of the causes leading to Dropbox NSIS error is a computer virus. The virus that exists on your computer will prevent you from installing software, and even many other things will be affected before you clean them up.

You can use your antivirus software to clean the viruses on your computer. It is important to do a full and thorough scan rather than a quick scan. Because a quick scan is likely to skip many problem files and folders that may contain infected viruses.

Method 2. Check the System Language

If the software you downloaded may use a different language from the language on your computer, so you can check whether the system language is consistent with the software. Here are the steps:

1. Press the Windows and X keys together to choose Control Panel.

2. Go to the Language pane, and click the Change date, time, or number format.


3. Click on the Administration tab > Change System Locate button.


4. Then you can choose the language according to the software you want to install.

Region Settings

Method 3. Change the Name of Installer

This is a simple solution but it is said useful. You can have a try following these steps:

1. Right-click on the setup file, and choose Rename.

Select Rename

2. Rename the file with a simple word. Then try to run it again.

Method 4. Move the Setup File to Another Folder

Sometimes, the path of the file will contain some characters that led to the error. In this case, moving the file to another folder is the best solution. Here are the detailed steps:

1. Go to the folder where the setup file is located.

2. Find the installer and right-click it to select Copy.

Select Copy

3. Paste the copied installer to another location, and run the installer again.

Note: Avoid the special characters in the filename.

Method 5. Remove the Program led to Error

There may be a program responsible for this error. Just find it and remove it with these steps:

1. Press Ctrl + Shift + Esc keys at the same time to open Task Manager.

2. Find the NSIS error and right-click it to Go to details. Then you will know the program responsible for this error.

Go To Details

3. Many users said the Dropbox updater is the cause of the error. But it may be another program in your case. Just find it and remove it.

Method 6. Use Command Prompt

Command Prompt is an effective tool in Windows. You can use it to fix Dropbox NSIS error as well. Here are the detailed steps:

1. Find the Command Prompt in Windows. Right-click on it and select Run as administrator.

Run As Administrator

2. Operate the path in the Command Prompt:

"Your software folder location\your software name.exe"

Or you can drag the setup file to Command Prompt window directly. Then press Enter to start installing.

Tip: Back Up to Dropbox via CBackup

If you use Dropbox for backup mainly, but feel it complex to install or reinstall Dropbox, here we recommend a stable third-party tool - CBackup. It can help you back up files to Dropbox directly, safely, stably, and most importantly, for free.

CBackup is a professional cloud backup software for Windows PCs. In addition to backup computer files to public clouds like Google Drive, OneDrvie and Dropbox, CBackup also provides a free feature called Combine Cloud. You can add as many cloud drive accounts as you have to CBackup, then you can combine them to get larger storage space.

Let’s get started to back up to Dropbox with CBackup:

1. Download and install the CBackup app on your computer, then open it.

Download CBackupWin 11/10/8.1/8/7/XP
Secure Download

2. Sign up for a CBackup account and log into it.

3. Press the Storage button to add and authorize your Dropbox account.

Add Cloud

4. Select Backup > Backup PC to Public Cloud to create a new backup task.

Create Task

5. You can name your backup task. And add files you want to back up to Dropbox. Choose Dropbox as the backup destination and click on Start Backup.

Start Backup

Note: In Settings, you can set up your backup tasks in detail, which can help you get rid of the frequent and manual file backup. Here we take the Scheduler feature as an example, you can set up a certain frequency for your backup tasks. There are 4 different schedule modes: One time only, Daily, Weekly, Monthly for you to choose:

One Time Only Mode

Written in the End

If you encounter the Dropbox NSIS error unfortunately, you can follow the above 6 methods to solve it. What's more, if you decide to try a third-party tool to migrate files to Dropbox, don't forget to use CBackup. CBackup is not only free to use but also provides different easy-to-use features.

Get Unlimited Cloud Storage for Free to Protect Files with CBackup

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