How to Repair unknownprotocol.htm? Download Now

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

unknownprotocol.htm file Hypertext Markup Language. 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 unknownprotocol.htm related errors on your device. You can also download unknownprotocol.htm file compatible with Windows 10, Windows 10 devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 10

User popularity

Fix unknownprotocol.htm errors

1 Information about unknownprotocol.htm file
2 Errors related to unknownprotocol.htm file
3 How to fix unknownprotocol.htm 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 unknownprotocol.htm

4.1 List of unknownprotocol.htm file versions

File info

General information
Filename	unknownprotocol.htm
File extension	HTM
Type	Internet Web
Description	Hypertext Markup Language

Software
Program	Windows 10
Software	Windows
Author	Microsoft
Software version	10

Details
File size	1909
Oldest file	2017-03-18
Latest file	2017-03-18

Most common unknownprotocol.htm file related problems

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

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

unknownprotocol.htm

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

Problems related to unknownprotocol.htm 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 unknownprotocol.htm 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 unknownprotocol.htm errors in just few steps?

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

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

The last solution is to manually download and replace unknownprotocol.htm 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 unknownprotocol.htm file.

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

Windows 10: C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\en-US\assets\ErrorPages\
Windows 10: C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\en-US\assets\ErrorPages\

If the steps did not solve your unknownprotocol.htm 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 unknownprotocol.htm

System Windows 10

File size 1979 bytes

Date 2017-03-18

Download

File details
	MD5	793e4745c8533ccc80ebced4d3a78e1f
	SHA1	11c433db433f852443c727380b70a912f8166cb8
	SHA256	8b1b674ebd345169ccc41bb65b422efcafe06cc1ff2b39f668ee0a302cee67c2
	CRC32	aa3e21c3
	Example file location	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\en-US\assets\ErrorPages\

Filename unknownprotocol.htm

System Windows 10

File size 1909 bytes

Date -0001-11-30

Download

File details
	MD5	b2ec6029be5ab13ee16b8df91c74f3e3
	SHA1	c6b3e9d4e6bac562d882bc3990c41933cee2f4b0
	SHA256	a74fc22f1bc7e4db81047b83ef6938be6c4b7f3efbc11b502f8011bc5be1d266
	CRC32	51c9dad6
	Example file location	C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\en-US\assets\ErrorPages\