Quantcast

How to Download and Fix keychain.3mf?

Sometimes Windows system displays error messages regarding corrupted or missing keychain.3mf 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 keychain.3mf file can therefore effect in failed execution of the started process.

keychain.3mf file 3D Manufacturing. 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 keychain.3mf related errors on your device. You can also download keychain.3mf file compatible with Windows 10 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10

File info

General information
Filename keychain.3mf
File extension 3MF
Type 3D Image
Description 3D Manufacturing
Software
Program Windows 10
Software Windows
Author Microsoft
Software version 10
Details
ZIP compression None
ZIP CRC 0x00000000
MIME type application/zip
keychain.3mf

There are various types of errors related to keychain.3mf file. keychain.3mf 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 keychain.3mf file. If you encounter one listed below (or similar), please consider the following suggestions.

  • keychain.3mf is corrupted
  • keychain.3mf cannot be located
  • Runtime Error - keychain.3mf
  • keychain.3mf file error
  • keychain.3mf file cannot be loaded. Module was not found
  • cannot register keychain.3mf file:
  • keychain.3mf file could not be loaded
  • keychain.3mf file doesn't exist

keychain.3mf

Error

Application could not be started because keychain.3mf file is missing. Reinstall the application to solve the problem.

OK

Problems related to keychain.3mf 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 keychain.3mf 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.

keychain.3mf 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 keychain.3mf 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 keychain.3mf 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 keychain.3mf 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 keychain.3mf file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the keychain.3mf 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 keychain.3mf 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 keychain.3mf 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 keychain.3mf file

The last solution is to manually download and replace keychain.3mf 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 keychain.3mf file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of keychain.3mf file example directory paths.

  • Windows 10: C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x86__8wekyb3d8bbwe\Assets\Catalog\

If the steps did not solve your keychain.3mf 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 keychain.3mf
System Windows 10
File size 51433 bytes
Date 2017-03-18
File details
MD5 32694417f684a31c5a53d250314d234d
SHA1 09ec060f2efaa181bd236b1cba8aca0ec1d70874
SHA256 3b0e92c30dd5666726e0a204cbf80def73d04fd2b2830a97507236e96ec7652a
CRC32 104135db
Example file location C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x86__8wekyb3d8bbwe\Assets\Catalog\