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If you're unable to modify a service status in Windows 10 and recieve error 87, 'The parameter is incorrect' message, here's how to fix.

This fix applies to all services with which you’re getting error 87.

As we all know, background services drives many Windows features. So it is important that these services should work properly so that dependent features also work as expected.

Recently, while modifying a Windows service status, we received following error:

Windows could not start the Windows Update service on Local Computer.

Error 87: The parameter is incorrect.

FIX The Parameter Is Incorrect Services Error 87 In Windows 10

Above error is shown for Windows Update service but you may receive it with any service. If you’re also facing this issue on your system, please refer below mentioned suggestions and see if they helps you to fix.

FIX: ‘The Parameter Is Incorrect’, Services Error 87 In Windows 10

FIX 1 – General Suggestions

1. Reboot the machine and see if issue still persists.

2. Perform clean boot.

3. Try the System File Checker (SFC) scan.

4. If SFC scan fails to fix your system, try the DISM tool and see if that helps.

5. If possible, try to restore your system back to date when this issue wasn’t present.

FIX 2 – Via Registry

Registry Disclaimer: The further steps will involve registry manipulation. Making mistakes while manipulating registry could affect your system adversely. So be careful while editing registry entries and create a System Restore point first.

1. Press W8K + R and put regedit in Run dialog box to open Registry Editor (if you’re not familiar with Registry Editor, then click here). Click OK.

Windows 10 Registry Editor

2. In left pane of Registry Editor window, navigate to following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services

FIX The Parameter Is Incorrect Services Error 87 In Windows 10

3. Under Services registry key, locate the registry key for service with which you’re facing this issue. The registry key is named with Service name, which you get on service property sheet (double click on service in Services snap-in for this). You can refer this post for detail information. In the right pane of service registry key, look for registry DWORD (REG_DWORD) named Start. Double click on it to modify its Value data:

FIX The Parameter Is Incorrect Services Error 87 In Windows 10

4. Set the Value data to 2 for Automatic, 3 for Manual, 4 for Disabled service Startup type. Click OK. Close Registry Editor and reboot to make changes effective.

So in this way, you can bypass error and change the service to desired state.

Hope this helps!

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Recent Comments

  • Kapil Arya : ^^ Thanks debstarz for confirming the solution!...

    6 hours ago

  • debstarz : Hello i confirm !!! :-D Andre's solution above : " I just removed a...

    11 hours ago

  • Kapil Arya : ^^ Thanks for confirming, John!...

    1 day ago

  • John P. : Ron Davis' fix worked for me. on a known good domain connected PC, run...

    2 days ago

  • Kapil Arya : ^^ Not possible. For genuine Windows 10 version, you need to paid the ...

    2 days ago