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Error 87: The Parameter Is Incorrect – Causes and Solutions Guide


Error 87 – The Parameter Is Incorrect: Causes and SolutionsEncountering Error 87, “The parameter is incorrect,” can be frustrating and confusing. This error message often appears when trying to perform various tasks on a Windows system, such as updating software, starting services, or connecting to a VPN.

In this article, we will explore the causes of Error 87 and provide effective solutions to fix it. So, let’s dive in!

Error 87 – The Parameter Is Incorrect

Error 87 can have multiple causes, ranging from issues with essential services to hardware problems. Understanding these causes can help identify the specific scenario you might be facing.

Here are some common causes:

Causes of Error 87

– OpenGL driver: A faulty or outdated graphics driver can trigger Error 87 when running graphical applications. – Essential service: Error 87 can occur if an essential service required for a specific task is not running.

– Restricted file: Accessing a file with restricted permissions can trigger the error message. – Hardware issues: Faulty hardware components, such as RAM or hard drives, can cause Error 87.

– Corrupted file: A corrupted file within the Windows system can lead to this error.

Different Error 87 Scenarios

The Error 87 message can arise in various contexts. Here are some common scenarios where Error 87 may appear:

– Error 87 VPN: When trying to connect to a VPN, this error may occur due to issues with WAN Miniport drivers or a misconfigured VPN connection.

– Error 87 Easy Anti Cheat: This error can occur when launching certain games protected by the Easy Anti Cheat system. – Windows Update Error 87: If you encounter Error 87 while updating Windows, it could be due to a conflict between the update process and other system components.

– IIS admin service Error 87: A problem with the Internet Information Services (IIS) admin service can trigger Error 87 in this scenario. – Remote Desktop Error 87: When encountering this error while using Remote Desktop, incorrect settings or conflicts with other software can be the cause.

– Matlab Error 87: This error might occur during the installation or execution of Matlab due to various factors such as corrupted files or conflicts with other software. – Starting service Error 87: When starting a service, if Error 87 appears, it could be caused by missing or incorrect parameters in the command.

– Netlogon Error 87: An issue with the Netlogon service can result in Error 87 when attempting to start it. – Print Spooler Error 87: This error can occur while managing the Print Spooler service, indicating a problem with the configuration.

– Robocopy Error 87: Trying to use Robocopy with an incorrect command or invalid parameters can prompt this error.

Solutions to Fix LoadLibrary Failed Error 87

To resolve Error 87, we have compiled a list of effective solutions. Try these methods one at a time until you find the one that solves your specific scenario.

Perform a Clean Boot

– A clean boot helps identify if the error is caused by conflicting software. Using the System Configuration (msconfig) tool, disable all non-Microsoft services and startup items to perform a clean boot.

Run the DISM Tool

– The Deployment Image Servicing and Management (DISM) tool can repair corruption in Windows images. Open Command Prompt as an administrator and run commands like /Online /Cleanup-Image /ScanHealth, /CheckHealth, and /RestoreHealth to identify and repair system image issues.

Use System File Checker to Repair Damaged Windows Files

– The System File Checker (SFC) scans and repairs corrupted or damaged system files. Open Command Prompt as an administrator and run the command “sfc /scannow” to initiate the repair process.

Update the Display Driver

– Outdated or faulty display drivers can trigger Error 87. Use Device Manager to update the display driver to the latest version available from the manufacturer’s website.

Use the Windows Update Troubleshooter

– The Windows Update troubleshooter helps identify and fix common update-related errors. Open Control Panel, navigate to Troubleshooting, select Windows Update, and follow the on-screen instructions.

Install the Drivers in Compatibility Mode

– Sometimes, installing drivers in compatibility mode can resolve Error 87. Right-click on the driver setup file, go to Properties, navigate to the Compatibility tab, and select the appropriate operating system compatibility mode.

Turn Off Firewalls and Any Antivirus

– Firewalls or antivirus programs may interfere with certain tasks, resulting in Error 87. Temporarily disable them to see if they are causing the issue.

Can’t Connect to VPN – The Parameter Is Incorrect? – If you encounter this error when connecting to a VPN, try uninstalling and reinstalling the WAN Miniport drivers from the Device Manager.


In this comprehensive article, we explored the causes of Error 87 and provided effective solutions to help you resolve this frustrating issue. Remember to identify the specific scenario you are facing and try the corresponding solution.

By following these steps, you can overcome Error 87 and enjoy uninterrupted computing. We hope this article was helpful in guiding you towards a successful resolution of Error 87.

In conclusion, Error 87: The parameter is incorrect can be a frustrating issue, but with the right knowledge and solutions, it can be overcome. In this article, we discussed the causes of Error 87, including factors such as OpenGL drivers, essential services, restricted files, hardware problems, and corrupted files.

We also provided practical solutions, such as clean booting, running the DISM tool, using System File Checker, updating the display driver, troubleshooting with Windows Update, installing drivers in compatibility mode, turning off firewalls and antivirus, and resolving VPN connection issues. By following these steps, users can effectively resolve Error 87 and enjoy smooth and uninterrupted computing.

Remember, understanding the causes and having the right tools are essential in troubleshooting and resolving errors.

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