Fix mailappbar.js Errors

Sometimes Windows system displays error messages regarding corrupted or missing mailappbar.js files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent mailappbar.js file can therefore effect in failed execution of the started process.

mailappbar.js file JavaScript. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of mailappbar.js related errors on your device. You can also download mailappbar.js file compatible with Windows 8.1 devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 8.1

User popularity

Fix mailappbar.js errors

1 Information about mailappbar.js file
2 Errors related to mailappbar.js file
3 How to fix mailappbar.js related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download mailappbar.js

4.1 List of mailappbar.js file versions

File info

General information
Filename	mailappbar.js
File extension	JS
Type	Script
Description	JavaScript

Software
Program	Windows 8.1
Software	Windows
Author	Microsoft
Software version	8.1

Details
File size	2971
Oldest file	2014-11-21
Latest file	2014-11-21

Most common mailappbar.js file related problems

There are various types of errors related to mailappbar.js file. mailappbar.js file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to mailappbar.js file. If you encounter one listed below (or similar), please consider the following suggestions.

mailappbar.js is corrupted
mailappbar.js cannot be located
Runtime Error - mailappbar.js
mailappbar.js file error
mailappbar.js file cannot be loaded. Module was not found
cannot register mailappbar.js file:
mailappbar.js file could not be loaded
mailappbar.js file doesn't exist

mailappbar.js

Application could not be started because mailappbar.js file is missing. Reinstall the application to solve the problem.

Problems related to mailappbar.js can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing mailappbar.js file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix mailappbar.js errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

mailappbar.js file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with mailappbar.js file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to mailappbar.js file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of mailappbar.js or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to mailappbar.js file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the mailappbar.js file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the mailappbar.js file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the mailappbar.js file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace mailappbar.js file

The last solution is to manually download and replace mailappbar.js file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded mailappbar.js file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of mailappbar.js file example directory paths.

Windows 8.1: C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.5.9600.20605_x86__8wekyb3d8bbwe\modernmail\components\commandbar\

If the steps did not solve your mailappbar.js file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename mailappbar.js

System Windows 8.1

File size 2971 bytes

Date 2014-11-21

Download

File details
	MD5	934b4f3fb667c214207231cc590bd6b1
	SHA1	57c3c6c526cf5c71c919e17a57016dff6aa1344d
	SHA256	6cf0e61f2cd749894f4ffb65fe9be50cb4c4f85f06429cd9e3e4089af10b37e1
	CRC32	457bf8b5
	Example file location	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.5.9600.20605_x86__8wekyb3d8bbwe\modernmail\components\commandbar\