Microsoft Windows INF unknown.inf

How to Download and Fix Unknown.inf Errors

Last Updated: 11/26/2024
[Time to Read: ~3-5 minutes]

Setup Information files, such as unknown.inf, are considered a type of Driver (Setup Information) file. They are associated with the INF file extension, developed by Microsoft for Windows 10.

The release of unknown.inf introduced for Windows was on 11/08/2006 in Windows Vista. The most recent version [file version 10] was introduced on 07/29/2015 for Windows 10. unknown.inf is bundled with the software package in Windows 10, Windows XP, and Windows Vista.

In this short article, you will discover detailed file information, steps for troubleshooting INF file problems with unknown.inf, and list of free downloads for every version that exists in our comprehensive file directory.

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File Overview


General Information ✻
File Name: unknown.inf
File Extension: INF file extension
File Type: Driver
Description: Setup Information
User Popularity Rating:
 
Developer and Software Information
Software Program: Windows 10
Developer: Microsoft
Software: Windows
Software Version: 10
File Details
File Size (Bytes): 1408
Oldest File Date: 11/02/2006
Latest File Date: 03/18/2017
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What are unknown.inf Error Messages?


unknown.inf Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with unknown.inf. Most of the issues concerning inf files involve Blue Screen of Death (BSOD) errors. These types of unknown.inf errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. Windows update) issues. Some of these errors include:

A problem has been detected and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file: unknown.inf.

:( Your PC ran into a problem that it couldn't handle, and now needs to restart. You can search for the error online: [BSOD] (unknown.inf).

<strong>STOP 0×0000007A: KERNEL DATA INPAGE (unknown.inf)</strong><br /><strong>STOP 0x0000001E: KMODE EXCEPTION NOT HANDLED (unknown.inf)</strong><br /><strong>STOP 0x0000007E: SYSTEM THREAD EXCEPTION NOT HANDLED (unknown.inf)</strong><br /><strong>STOP 0x0000000A: IRQL NOT LESS EQUAL (unknown.inf)</strong><br /><strong>STOP 0x00000050: PAGE FAULT IN A NONPAGED AREA (unknown.inf)</strong><br /><strong>STOP 0x0000003B: SYSTEM SERVICE EXCEPTION (unknown.inf)</strong>

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter unknown.inf BSOD errors after you've installed new hardware, software (Windows), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to unknown.inf Blue Screen of Death errors. Therefore, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.


GEEK TIP : As a rule of thumb, it's always a good idea to create a Windows "Snapshot" backup / System Restore Point before making any hardware or software changes to your computer. That way, it's very easy to restore your system in the unfortunate event you encounter a unknown.inf Blue Screen of Death error after recent changes.

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How to Fix unknown.inf Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your unknown.inf issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the unknown.inf error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing unknown.inf file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt unknown.inf files (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "cmd" but DO NOT PRESS "ENTER".
  3. Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
  4. You'll be prompted with a permission dialog box.
  5. In the box, click "YES".
  6. You should have a black screen with a blinking cursor.
  7. In that black screen, type "sfc /scannow" and hit "ENTER".
  8. SFC will begin scanning for unknown.inf issues and any other system file problems.
  9. Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

If this Step 2 fails as well, please proceed to the Step 3 below.

sfc /scannow

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many unknown.inf error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the unknown.inf error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your unknown.inf File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate unknown.inf file version. We maintain a comprehensive database of 100% malware-free unknown.inf files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download unknown.inf Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy the file into the appropriate directory for your Windows version:

    4. Windows XP: C:\Windows\inf\
    Windows Vista: C:\Windows\inf\
    Windows Vista: C:\Windows\System32\DriverStore\FileRepository\_dd42ec02\
    Windows 7: C:\Windows\inf\
    Windows 7: C:\Windows\System32\DriverStore\FileRepository\_amd64_neutral_5eb6ac70dd1a3ad0\
    Show 6 more directories +
    Windows 8: C:\Windows\inf\
    Windows 8: C:\Windows\System32\DriverStore\FileRepository\_x86_4cfda3ad5f3b8285\
    Windows 8.1: C:\Windows\inf\
    Windows 8.1: C:\Windows\System32\DriverStore\FileRepository\_x86_afff3120fb24019b\
    Windows 10: C:\Windows\inf\
    Windows 10: C:\Windows\System32\DriverStore\FileRepository\_x86_0dbfb9fda2689fd7\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve unknown.inf problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

Recommended Download (WinThruster): Optimize Your PC and Fix INF File Association Errors.

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Download unknown.inf Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying unknown.inf to your appropriate Windows system directory. Microsoft typically does not release Windows INF files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing unknown.inf and all other INF files for Windows. An incorrectly installed INF file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
Windows XP
Windows Vista
Windows 8.1
Windows 8
Windows 7
Recommended Download (WinThruster): Optimize Your PC and Fix INF File Association Errors.

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Files Related to unknown.inf


INF Files Related to unknown.inf

File Name Description Software Program (Version) File Size (bytes) File Location
mdm3com.inf Setup Information Windows 7 107776 C:\Windows\
scrawpdo.inf Setup Information Windows 10 1644 C:\Windows\schemas\EAPMethods\
hpoa1ss.inf Setup Information Windows 7 16814 C:\Windows\Logs\CBS\
prnlx00a.inf Setup Information Windows 7 3490 C:\$WINDOWS.~BT\efi\microsoft\boot\fonts\
netnwifi.inf Setup Information Windows 8 36878 C:\Windows\Logs\CBS\

Other Files Related to unknown.inf

File Name Description Software Program (Version) File Size (bytes) File Location
WLANAP_profile_v1.xsd XML Schema Definition Windows 7 7504 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 8.1 16142 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 10 18585 C:\Windows\L2Schemas\
p2057.ngr NEPLAN Graphic Data Windows 7 3188068 C:\Windows\Speech\Engines\SR\en-GB\
p2057.ngr NEPLAN Graphic Data Windows 8 3188068 C:\Windows\Speech\Engines\SR\en-GB\


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