How to Fix an NSIS Error
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How to Fix an NSIS Error Caused by Installation File 2022

– How to Fix an NSIS Error –

An NSIS error occurs when you download a program that fails an integrity check during installation. Failed integrity checks usually occur due to corrupt files.

How to Fix an NSIS Error

To fix an NSIS error, install the corrupt program from a fresh copy. A combination of other solutions can be used to remove this error, such as removing malware, checking hardware, and temporarily disabling your firewall.

How to Fix an NSIS Error Caused by Installation File

1. Use a Fresh Copy

The most prevalent cause of an NSIS error is the corruption of installation files.

The installer attempts to install a new program, and the files are corrupted to where the installer abandons the install. Download a fresh copy of the program or contact the software manufacturer for a new copy.

2. Clear Malware or Viruses

Scan your computer with both an anti-malware program such as Malwarebytes and an anti-virus solution like Avast. Using only an anti-malware scanner may miss a virus and using only an anti-virus solution could miss some malware. Both must be used.

3. Check the Hardware

If you are installing the program from a disk, USB drive, or flash drive, there could be a problem with the physical disk or drive. Contact the manufacturer of the software and get a new disk or use a different USB drive.

Check the drive you are using to insert your media. Use a different disk drive or a different USB port.

4. Disable Download Manager

Do not use a download manager or a download accelerator when downloading the software.

Microsoft has a Download Manager that makes downloading easy, and other popular accelerators are available free for download.

These create problems when downloading software if they are not completely compatible. For example, using Microsoft’s Manager to download a product that is from a different manufacturer can create corrupt files.

Manually download the program without the help of an accelerator if the NSIS error persists.

5. Rename the Installation File

Remove any special characters by renaming the installation file. Special characters in a filename or filenames that are too long can cause the install program to crash, resulting in an NSIS error.

It could also fail the integrity checks. Rename any installation file to a simpler name, even if you do not see any special characters.


6. Disable Your Firewall

Windows 7

Open your Control Panel by clicking Start and Control Panel.

Windows 8

Open your Control Panel by typing Control Panel into the search bar and clicking Control Panel.

Click Windows Firewall.

Click Turn Windows Firewall On or Off.

Turn off the firewall and click OK.

Check your firewall permissions with your anti-virus solution. If you are unable to turn your firewall off if your anti-virus solution controls check controls it and see.

Open your AV settings to turn the firewall off if your AV controls it.

7. Scan Your Hard Drive for Errors

Corrupted files can occur because of bad sectors on your hard drive. The Disk Check and Defragmentation tools can help resolve these errors.

Windows 7

Follow Microsoft’s detailed instructions to scan your hard drive and any external media such as your USB stick.

Windows 8

Windows 8 provides an automatic disk check during Automatic Maintenance. You do not need to scan for disk errors on a Windows 8 machine. There is a manual process if you feel the automatic process failed.

8. Update Your Operating System

Windows 7

Open your Control Panel and click Windows Update.

Click Check for Updates.

Click Install Now or click the link to check online for updates.

9. Move Installation Files

An NSIS error can occur if you try to install from a folder or directory for which you do not have the proper permissions. Move the installation file to your desktop and install the program from there to fix any permission issues.

Read Also:

Other Ways to Solve NSIS Error

Step 1: NSIS Error

Other Ways to Solve NSIS Error

Why do I get NSIS Error?

The cause is: the downloaded file is either incomplete or modified from the original file.

What Does this Message Mean?

The massage means that- The installer has failed a self-check. This means that for some actions, they have altered the installer file from its original form.

If the install were to continue, the software install would not be complete and will be broken. To prevent further problems, the installer refused to continue.

Step 2: How Do I Fix the Problem?

Here are some options to solve it if you got the .exe file from the internet –

1. Clear your browser’s cache.

2. Rename the installer so it is simple-word name with no special characters (without removing the .exe suffix)

Example: install.exe

3. Download the installer using another computer and copy it to the original computer.

4. Scan the hard drive using Scandisk, chkdsk, or any other hard drive repair tool.

5. Run a full scan on your antivirus.

6. Try updating your antivirus software (if installed).

7. Wait for Windows Update to finish updating drivers.

If the problem is not solved yet then go to the next step. If you are receiving this problem from an installer on a disc or other media then. Also, follow the next step.

Step 3: Last and the Best Option to Solve the Error

As a last resort, the installer can be executed even though it’s corrupted. To bypass the corruption test, pass /NCRC on the command line. To do so –

Go to start and write CMD then hit enter. A black window will be opened. Now go to the folder where the .exe file is. If it is in a disc or a pen drive, then copy it to your hard disk.

Now drag the file to the black window or the CMD window and you see the address of the .exe has copied the file to the cmd window.

Now on the CMD window- press space and write /NCRC and hit enter. You see that the installation window has been opened. Then you can install the software.

If the problem persists. Then you will need to contact either the developers of the software you’re attempting to download or your personal computer support channels.


Step 4: Done!

Step 4: Done!: NSIS error fixed

Now it is done. That is just how to Fix an NSIS Error.

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