Download Sideshow.admx and Fix Errors

Last Updated: 11/25/2023
[Time Needed for Reading: ~4-6 minutes]

Sideshow.admx is considered a type of Windows Group Policy Language-neutral file. It is most-commonly used in Windows 8 developed by Microsoft. It uses the ADMX file extension and is considered a XML (Windows Group Policy Language-neutral) file.

The first release of Sideshow.admx for the Windows Vista platform was on 11/08/2006 for Windows Vista. The latest version update [v8] for Windows was 8 released on 08/01/2012. Sideshow.admx is included in Windows Vista, Windows 8, and Windows 7 versions.

In this short article, you will discover detailed file information, steps for troubleshooting ADMX file problems with Sideshow.admx, 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: Sideshow.admx
File Extension: ADMX file extension
File Type: System
Description: Windows Group Policy Language-neutral
MIME Type: application/xml
User Popularity Rating:
 
Developer and Software Information
Software Program: Windows 8
Developer: Microsoft
Software: Windows
Software Version: 8
File Details
File Size (Bytes): 7397
Oldest File Date: 11/02/2006
Latest File Date: 06/02/2012


What are Sideshow.admx Error Messages?


General Sideshow.admx Runtime Errors

Sideshow.admx file errors often occur during the startup phase of Windows, but can also occur while the program is running. These types ADMX errors are also known as “runtime errors” because they occur while Windows is running. Here are some of the most common Sideshow.admx runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Windows\PolicyDefinitions\Sideshow.admx

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.


Most ADMX errors are due to missing or corrupt files. Your Sideshow.admx file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows), or deleted by a malware infection. Furthermore, Sideshow.admx file corruption could be caused from a power outage when loading Windows, system crash while loading or saving Sideshow.admx, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix Sideshow.admx 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 Sideshow.admx 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 Sideshow.admx error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing Sideshow.admx 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 Sideshow.admx 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 Sideshow.admx 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 Sideshow.admx 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 Sideshow.admx error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your Sideshow.admx 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 Sideshow.admx file version. We maintain a comprehensive database of 100% malware-free Sideshow.admx 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 Sideshow.admx 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 Vista: C:\Windows\PolicyDefinitions\
    Windows 7: C:\Windows\PolicyDefinitions\
    Windows 8: C:\Windows\PolicyDefinitions\
  5. 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 8.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve Sideshow.admx 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.



Download Sideshow.admx Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying Sideshow.admx to your appropriate Windows system directory. Microsoft typically does not release Windows ADMX 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 Sideshow.admx and all other ADMX files for Windows. An incorrectly installed ADMX file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows Vista
Windows 8
Windows 7


Files Related to Sideshow.admx


ADMX Files Related to Sideshow.admx

File Name Description Software Program (Version) File Size (bytes) File Location
WindowsUpdate.admx Windows Group Policy Language-neutral Windows 7 19272 C:\Windows\inf\WmiApRpl\0009\
ICM.admx Windows Group Policy Language-neutral Windows Vista 32075 C:\Windows\inf\WmiApRpl\0009\
Conf.admx Windows Group Policy Language-neutral Windows 10 13967 C:\Windows\System32\Sysprep\Panther\
TerminalServer.admx Windows Group Policy Language-neutral Windows Vista 72403 C:\Windows\inf\
Help.admx Windows Group Policy Language-neutral Windows 10 2647 C:\Windows\inf\WmiApRpl\0009\

Other Files Related to Sideshow.admx

File Name Description Software Program (Version) File Size (bytes) File Location
OneX_v1.xsd XML Schema Definition Windows 8 5957 C:\Windows\L2Schemas\
OneX_v1.xsd XML Schema Definition Windows XP 5957 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Windows 8 6201 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Windows 10 6201 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 10 7548 C:\Windows\L2Schemas\


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