base.js - Repair Issues and Download

Sometimes Windows system displays error messages regarding corrupted or missing base.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 base.js file can therefore effect in failed execution of the started process.

base.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 base.js related errors on your device. You can also download base.js file compatible with Windows 10, Windows 10, Windows 8.1, Windows 8 devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 10, Windows 8.1, Windows 8

User popularity

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

4 Download base.js

4.1 List of base.js file versions

File info

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

Software
Program	Windows 10
Software	Windows
Author	Microsoft
Software version	10

Details
File size	331399
Oldest file	2012-07-26
Latest file	2017-03-18

Most common base.js file related problems

There are various types of errors related to base.js file. base.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 base.js file. If you encounter one listed below (or similar), please consider the following suggestions.

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

base.js

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

Problems related to base.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 base.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 base.js errors in just few steps?

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

base.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 base.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 base.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 base.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 base.js file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the base.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 base.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 base.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 base.js file

The last solution is to manually download and replace base.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 base.js file.

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

Windows 10: C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\Microsoft.WinJS-reduced\js\
Windows 10: C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\Microsoft.WinJS-reduced\js\
Windows 8.1: ---
Windows 8: ---

If the steps did not solve your base.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 base.js

System Windows 10

File size 331399 bytes

Date -0001-11-30

Download

File details
	MD5	095e0b4935feb343484ab5ddab4c73f9
	SHA1	b12e3d821856fb34691decef7e1f4c68c6e17b27
	SHA256	b323047ef14015bd8eaac705b08c0c0c92a2bcf71aba7dfbc723d1627070a1dc
	CRC32	c731a37c
	Example file location	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\Microsoft.WinJS-reduced\js\

Filename base.js

System Windows 10

File size 327141 bytes

Date 2017-03-18

Download

File details
	MD5	656baf52a5a3acbf542273473ae4ad6d
	SHA1	c7e86d3a88ee28f70a0da60fd57f7b0a731eef5c
	SHA256	6102b20b25b3abf8b74c91361556c8380f0b4ed8aba31d1a59d91ce6d7fd1ae8
	CRC32	28190f03
	Example file location	C:\Windows\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\Microsoft.WinJS-reduced\js\

Filename base.js

System Windows 8.1

File size 806537 bytes

Date 2014-11-21

Download

File details
	MD5	44acfe2161a6729d61f67316d3a53433
	SHA1	8e3985d0ce4bc1b0a3fb85dbcdede45969f4562f
	SHA256	5c3367b91abf886c74acb18d6a3a6fc7d8febe1ddeeb04fcc9982d1a0a3f99f1
	CRC32	5e115fb2
	Example file location	---

Filename base.js

System Windows 8

File size 546931 bytes

Date 2012-07-26

Download

File details
	MD5	24e53847234541aed231dca66a60f515
	SHA1	a412fc1b223287653a41675b648a90cc5d050e67
	SHA256	dd4b238109e491948d08247b59904d8f860949e04d0db9bba8b1050b8da4e192
	CRC32	37d20035
	Example file location	---