# Installation Error

**URL:** <https://forum.fxsound.com/t/installation-error/1788>\
**Category:** Get Help\
**Created:** [March 30, 2023, 7:19pm UTC](https://forum.fxsound.com/t/installation-error/1788 "2023-03-30T19:19:38Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Dolmatov](https://avatars.discourse-cdn.com/v4/letter/d/d26b3c/32.png) [@Dolmatov](https://forum.fxsound.com/u/Dolmatov)\
**Post date:** [March 30, 2023, 8:31pm UTC](https://forum.fxsound.com/t/installation-error/1788/3 "2023-03-30T20:31:09Z")

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It looks like the drivers are not installed.

> [@Ruth\_Millican](#):
>
> Windows Parallel

I have not tried this installation option, so let’s start with the basic questions.  
What OS version? Windows…

Have you used alternative methods to install the driver?  
The first method is from the software developer, the second method is from Microsoft in Parallels recommendations.

1. From the discussion [Can't install FxSound after downgrading from Win11 to Win10 [OOPS ERROR]](https://forum.fxsound.com/t/cant-install-fxsound-after-downgrading-from-win11-to-win10-oops-error/756/2):

> [@Can't install FxSound after downgrading from Win11 to Win10 \[OOPS ERROR\]](https://forum.fxsound.com/t/cant-install-fxsound-after-downgrading-from-win11-to-win10-oops-error/756/2):
>
> Then try installing FxSound Enhancer from admin Command Prompt,  
> CD %PROGRAMFILES%\FxSound LLC\FxSound\Drivers  
> ptdevcon64.exe install  
> (on 32-bit Windows, run ptdevcon32.exe install)

1. [Driver Package Installer (DPInst)](https://kb.parallels.com/en/117150) program?

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