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wuapp.exe Informations - Download and Fix

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

wuapp.exe file Windows Update Application Launcher. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of wuapp.exe related errors on your device. You can also download wuapp.exe file compatible with Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista
User popularity

Fix wuapp.exe errors

File info

General information
Filename wuapp.exe
File extension EXE
Description Windows Update Application Launcher
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Executable application
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod Neutral
wuapp.exe

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

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

wuapp.exe

Error

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

OK

Problems related to wuapp.exe 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 wuapp.exe 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.

wuapp.exe 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

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with wuapp.exe 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.

Windows Update

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

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. 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 wuapp.exe 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

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 wuapp.exe file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the wuapp.exe file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

Windows Recovery

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

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

If all the above-mentioned methods failed and the wuapp.exe 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 wuapp.exe file

The last solution is to manually download and replace wuapp.exe 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 wuapp.exe file.

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

  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows Vista: C:\Windows\SysWOW64\
  • Windows Vista: C:\Windows\SysWOW64\

If the steps did not solve your wuapp.exe 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 wuapp.exe
System Windows 8.1
File size 29696 bytes
Date 2014-11-21
Download
File details
MD5 caff452152f2ef1cd888a78aa8b10d20
SHA1 0ff4a0ebfc5c4b10546bc6dde5c236cceff18cb4
SHA256 3ff38fa1370e084139568f1eeb5e64db47bfb8ca38059239f579021fc3fbcc28
CRC32 a276c25c
Example file location C:\Windows\System32\
Filename wuapp.exe
System Windows 8
File size 33280 bytes
Date 2012-07-26
Download
File details
MD5 e0b82c5ae0283ac3044553247181dff8
SHA1 8fdaec251dc1f60e9ac3759b39d6da194951374b
SHA256 d6f0138b0604e26eca8e2fb088e10ff31db0afee9917f434abe8129229daa2dd
CRC32 daa3e3e1
Example file location 1: C:\Windows\System32\
Filename wuapp.exe
System Windows 7
File size 33792 bytes
Date -0001-11-30
Download
File details
MD5 25ecee9fe6d1e638e3980f71e77db32c
SHA1 6074154d34dba4d4b47d370f2d910e65074a69c2
SHA256 6efa0ad02370c3a2fb38109879051158cbe7530de5197b43c8d797e561692630
CRC32 ef72a897
Example file location C:\Windows\SysWOW64\
Filename wuapp.exe
System Windows 7
File size 36864 bytes
Date 2010-11-21
Download
File details
MD5 a45092e6f09f68118b27e31bc0b2c014
SHA1 b33bbe037239704964a07ee4b4744a2fe4c88e49
SHA256 cead07ecfb54045a21727ed0409b230fec52a5c87cff7644f0efbb9682b7572b
CRC32 7d8406fa
Example file location C:\Windows\SysWOW64\
Filename wuapp.exe
System Windows Vista
File size 33792 bytes
Date 2008-01-21
Download
File details
MD5 8648de5e8dac9ce0db13671d8a3e0e81
SHA1 517ee42f8ea8ca6c41afb8e7951891d7b5658cda
SHA256 3c914d4eba3360f79ccaf1574ca34cdf1373c53353059551e7191aa80e37047b
CRC32 e6be9cdf
Example file location C:\Windows\SysWOW64\
Filename wuapp.exe
System Windows Vista
File size 31232 bytes
Date -0001-11-30
Download
File details
MD5 b2099fbd58a8f43282d2f7e14d81f97e
SHA1 5ef71ba49d8217f6744965e673008019ab01d03b
SHA256 71dbc6c4d360b65cdd0855839d4a92c2197c530877f9720e6eb31b57cadc179c
CRC32 feb49537
Example file location C:\Windows\SysWOW64\