How to Download and Fix UltrWW.cab?

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

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

For Windows Compatible with: Windows Vista

File info

General information
Filename UltrWW.cab
File extension CAB
Type Archive
Description Windows Cabinet
Program Office 2007
Software Office
Author Microsoft
Software version 2007
File size 264742760
Oldest file 2017-05-10
Latest file 2017-05-10

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

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



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


Problems related to UltrWW.cab 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 UltrWW.cab 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.

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

The last solution is to manually download and replace UltrWW.cab 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 UltrWW.cab file.

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

  • Windows Vista: C:\MSOCache\All Users\{91120000-002E-0000-0000-0000000FF1CE}-C\

If the steps did not solve your UltrWW.cab 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 UltrWW.cab
System Windows Vista
File size 264742760 bytes
Date 2017-05-10
File details
MD5 c8dfa1deeda93c177d155151680b8be9
SHA1 ffb143e838945a68867d2679bf395e603344bd59
SHA256 ba265d28aaa745994c7994903a8ae3ea4f8d5cc1b7e2b59cdf7f25a47fbd6f81
CRC32 9e9c4e48
Example file location C:\MSOCache\All Users\{91120000-002E-0000-0000-0000000FF1CE}-C\