How to Fix Issues with App857.fon (Free Download)

Last Updated: 11/27/2023
[Time Needed for Reading: ~4-6 minutes]

The development of Windows 10 by Microsoft prompted the latest creation of app857.fon. It is also known as a Windows Bitmap Font file (file extension FON), which is classified as a type of Win16 EXE (Windows Bitmap Font) file.

app857.fon was first released for Windows Vista Operating System on 11/08/2006 with Windows Vista. The latest version update [v10] for Windows was 10 released on 07/29/2015. app857.fon is bundled with the software package in Windows 10, Windows XP, and Windows Vista.

This article discusses complete file details, FON file troubleshooting instructions for problems with app857.fon, and a comprehensive set of free downloads for every file version that has been catalogued by our team.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: app857.fon
File Extension: FON file extension
File Type: Font
Description: Windows Bitmap Font
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Program: Windows 10
Developer: Microsoft
Software: Windows
Software Version: 10
File Details
File Size (Bytes): 36672
Oldest File Date: 09/18/2006
Latest File Date: 03/18/2017


What are app857.fon Error Messages?


General app857.fon Runtime Errors

app857.fon file errors often occur during the startup phase of Windows, but can also occur while the program is running. These types FON errors are also known as “runtime errors” because they occur while Windows is running. Here are some of the most common app857.fon runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Windows\Fonts\app857.fon

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


Most FON errors are due to missing or corrupt files. Your app857.fon 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, app857.fon file corruption could be caused from a power outage when loading Windows, system crash while loading or saving app857.fon, 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 app857.fon 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 app857.fon 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 app857.fon error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing app857.fon 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 app857.fon 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 app857.fon 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 app857.fon 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 app857.fon 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 app857.fon 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 app857.fon file version. We maintain a comprehensive database of 100% malware-free app857.fon 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 app857.fon 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\Fonts\
    Windows Vista: C:\Windows\Fonts\
    Windows 7: C:\Windows\Fonts\
    Windows 8: C:\Windows\Fonts\
    Windows 8.1: C:\Windows\Fonts\
    Show 1 more directory +
    Windows 10: C:\Windows\Fonts\
  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 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve app857.fon 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 app857.fon Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying app857.fon to your appropriate Windows system directory. Microsoft typically does not release Windows FON 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 app857.fon and all other FON files for Windows. An incorrectly installed FON 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


Files Related to app857.fon


FON Files Related to app857.fon

File Name Description Software Program (Version) File Size (bytes) File Location
cga80737.fon Windows Bitmap Font Windows 8 5168 C:\Windows\servicing\Sessions\
ssee1257.fon Windows Bitmap Font Windows 8.1 65456 C:\Windows\Logs\CBS\
vga866.fon Windows Bitmap Font Windows XP 6128 C:\Windows\Logs\CBS\
serf1255.fon Windows Bitmap Font Windows 8 89456 C:\Windows\Logs\CBS\
smallfg.fon Windows Bitmap Font Windows 7 23120 C:\Windows\Logs\CBS\

Other Files Related to app857.fon

File Name Description Software Program (Version) File Size (bytes) File Location
OneX_v1.xsd XML Schema Definition Windows Vista 5957 C:\Windows\L2Schemas\
OneX_v1.xsd XML Schema Definition Windows 10 5957 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 8.1 7548 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 10 7548 C:\Windows\L2Schemas\
WLAN_policy_v1.xsd XML Schema Definition Windows 10 7627 C:\Windows\L2Schemas\


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