How to Fix an NSIS Installer Error on Windows 11

When attempting to run a setup file, you will typically discover that it received corrupted in some way. As an illustration, you will have downloaded an incomplete package deal, or the obtain itself by no means correctly completed. Should you run a corrupted installer, Home windows throws an NSIS error in response.

Should you expertise this error, listed below are just a few troubleshooting steps which you could comply with to repair this NSIS error on Home windows 11.

What Causes the NSIS Error Launching Installer?

The rationale for this error can range. As mentioned beforehand, the commonest causes for this error are file corruption and incomplete downloads. Nonetheless, there are different the explanation why you may get this error, corresponding to utilizing particular characters within the installer title or an invalid listing path attributable to the usage of particular characters.

A 3rd-party program battle is another excuse why chances are you’ll encounter this error. You possibly can search for the processes within the Job Supervisor to seek out the wrongdoer program which may be interfering with the duty and finish it.

Under we now have compiled a listing of identified fixes to resolve the NSIS error in Home windows 11.

1. Transfer the Setup File to a Totally different Listing

Shifting the installer to a special folder may help you run the setup file with out the NSIS error. To do that, open File Explorer and find the setup file you wish to run.

Choose the file and press Ctrl + C to repeat it to your clipboard. Subsequent, create a brand new folder on one other drive if obtainable and paste the copied file with Ctrl + V shortcut. When creating a brand new folder, maintain the title easy and keep away from utilizing any particular or non-English characters.


Associated: Find out how to Add Particular Characters to Paperwork in Home windows 11

If the difficulty persists, attempt to run the installer from one other disk drive. In case you are working with a single drive, use a USB flash drive. Transfer the setup file to your USB flash drive and run the setup file from it. That is extra of a workaround however ought to assist you probably have an issue with a particular installer.

2. Rename the Setup File

rename installer file NSIS error

One other simple approach to repair the NSIS installer error is to rename the installer. Renaming any file on Home windows 11 is straightforward. Right here’s how you can do it.

  1. Find the installer you wish to rename utilizing File Explorer.
  2. Choose the installer file and press F2. Enter a brand new title in your file. Attempt to maintain the title to at least one phrase and with no hyphen or different particular characters.
  3. Click on away to avoid wasting the modifications.

Run the installer and verify if the error is resolved. If the difficulty persists, run the installer in Compatibility Mode to see if that helps.

3. Run the Program in Compatibility Mode

run installer in compatibility mode

You possibly can drive an app or installer to run in compatibility mode. On this mode, the app makes use of the settings for an older model of the Home windows OS—useful if the app was designed to run on older Home windows variations.

To run the installer in compatibility mode:

  1. Find the installer you wish to set up.
  2. Proper-click on the installer file and choose Properties.
  3. Within the Properties window, open the Compatibility tab.
  4. Examine Run this program in compatibility mode for choice. Then click on the drop-down and choose the Home windows model older than your present model (Home windows 8, 7, XP, so on).
  5. Click on Apply and OK to avoid wasting the modifications.
  6. Run the installer once more and verify if the setup completes with out the error.

4. Discover the Conflicting Program Inflicting the NSIS Error

Third-party software program put in in your laptop can battle with the brand new applications and set off the error. You need to use the Job Supervisor to trace and troubleshoot this system that’s triggering the error.

Comply with these steps to find this system inflicting the error:

  1. Run the installer and anticipate the NSIS error to happen. Don’t shut the error window.
  2. Subsequent, press Ctrl + Shift + Esc open the Job Supervisor.
  3. Within the Course of tab, find the NSIS error.
    task manager go to details NSIS installer error
  4. Then, right-click on the error course of, and choose Go to particulars. Within the particulars tab, you must see this system title that’s triggering the NSIS error.
  5. If that doesn’t assist, right-click on the error course of once more and choose Open File Location. It will open the method location and assist you decide the reason for the error.
    task manager open file location NSIS error
  6. You possibly can then transfer to uninstall or reinstall the problematic app to repair the error.

Associated: The Final Information to Home windows 11’s Keyboard Shortcuts

To uninstall the troublesome app:

uninstall conflicting app Windows 11
  1. Press Win + I to open the Settings app.
  2. Open the Apps tab after which click on on Apps & options.
  3. Scroll by way of or use the search bar to find the app.
  4. Click on the three-dots menu beside the app title and choose Uninstall.
  5. Click on on Uninstall as soon as extra to substantiate the motion.
  6. Restart your PC and verify if the error is resolved. You possibly can then go forward reinstall the app.

5. Set up the Program Utilizing Command Immediate


You possibly can drive set up apps in your PC utilizing Command Immediate. Comply with these steps to run the installer utilizing Command Immediate:

  1. Press the Home windows key, sort cmd, and click on on Command Immediate.
  2. Subsequent, open the File Explorer and find the installer file.
  3. Drag and drop the file onto the Command Immediate window so as to add the file path.
  4. Hit Enter to execute the file and run the installer.

Should you run the Command Immediate as administrator, the file path is not going to present up after a drag and drop. In that case, manually sort the installer file path and hit enter to execute.

As soon as the setup wizard is launched, comply with on-screen directions to put in the app.

6. Obtain the Installer From a Totally different Supply

In case you have downloaded an incomplete or corrupt installer, it would fail to put in accurately. Attempt to re-download the app or search for the setup file from a trusted third-party web site.

Observe that, utilizing third-party sources contain a possible danger of downloading malware contaminated software program. Train warning and run executables from unknown sources by way of the web virus scan instruments to scan for malware and shield your PC.

Fixing the NSIS Installer Launching Error

Installer errors are a standard incidence on Home windows computer systems. Nonetheless, the NSIS error is commonly triggered attributable to points with the file title, path, or the setup file itself. Moreover, search for third-party applications which may be interfering with the installer.

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