Fix Unknownprotocol.htm Errors and Download Now

Last Updated: 11/26/2023
[Average Read Time: 4.5 minutes]

Hypertext Markup Language files, such as unknownprotocol.htm, are considered a type of HTML (Hypertext Markup Language) file. They are associated with the HTM file extension, developed by Microsoft for Microsoft Office Access 2010 14.

unknownprotocol.htm was first developed on 07/29/2015 in the Windows 10 Operating System for Windows 10. The most recent version [file version 14] was introduced on 07/04/2011 for Microsoft Office Access 2010 14.

In this article, you will find detailed unknownprotocol.htm information, a HTM file troubleshooting guide, and a list of versions that are available for free download.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: unknownprotocol.htm
File Extension: HTM file extension
Title: The webpage cannot be displayed
File Type: Internet Web
Description: Hypertext Markup Language
MIME Type: text/html
User Popularity Rating:
 
Developer and Software Information
Software Program: Microsoft Office Access 2010 14
Developer: Microsoft
Software: Microsoft Office Access 2010
Software Version: 14
File Details
File Size (Bytes): 1909
Oldest File Date: 03/18/2017
Latest File Date: 03/04/2020


What are unknownprotocol.htm Error Messages?


General unknownprotocol.htm Runtime Errors

unknownprotocol.htm file errors often occur during the startup phase of Microsoft Office Access 2010, but can also occur while the program is running. These types HTM errors are also known as “runtime errors” because they occur while Microsoft Office Access 2010 is running. Here are some of the most common unknownprotocol.htm runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.16299.1059_none_18b12f0321cd9e98\unknownprotocol.htm

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.


Most HTM errors are due to missing or corrupt files. Your unknownprotocol.htm file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Office Access 2010), or deleted by a malware infection. Furthermore, unknownprotocol.htm file corruption could be caused from a power outage when loading Microsoft Office Access 2010, system crash while loading or saving unknownprotocol.htm, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix unknownprotocol.htm Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your unknownprotocol.htm issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the unknownprotocol.htm error, please proceed to the Step 2 below.

Step 2: If recently installed Microsoft Office Access 2010 (or related software), uninstall then try reinstalling Microsoft Office Access 2010 software.

You can uninstall Microsoft Office Access 2010 software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Microsoft Office Access 2010 14 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Office Access 2010 software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Microsoft Office Access 2010 14

Microsoft Corporation

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many unknownprotocol.htm error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the unknownprotocol.htm error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your unknownprotocol.htm File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate unknownprotocol.htm file version. We maintain a comprehensive database of 100% malware-free unknownprotocol.htm files for every applicable version of Microsoft Office Access 2010. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download unknownprotocol.htm Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Microsoft Office Access 2010 folder location:
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_zh-tw_5e377de6ebddce03\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_zh-cn_5a3b4090ee6cf193\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_uk-ua_24be053a356645c0\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_tr-tr_88de22933e351f74\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_th-th_84daf9ff40bddac4\
    Show 38 more directories +
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_sv-se_dfd0d84c4f791d83\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_sr-..-rs_88337c80c315bf66\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_sl-si_e203143c4e041835\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_sk-sk_e2f0f2844d6a0552\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_ru-ru_43d5edd758501328\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_ro-ro_416da24b59d55058\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_pt-pt_fd32dc13736e84fc\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_pt-br_fc510ca773ff1520\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_pl-pl_f9fd22037575813c\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_nl-nl_b3c0c78190531388\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_nb-no_b5817c438f2709b3\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_lv-lv_71879593a8a7ea84\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_lt-lt_70ba270fa929a994\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_ko-kr_cceefb0eb701ddf7\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_ja-jp_29851e59c49116e1\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_it-it_875f9f4cd1760506\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_hu-hu_e4a8294ddea3eea4\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_hr-hr_e3740387df668d3c\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_he-il_e15750a7e0b32076\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_fr-fr_9d37a905fa441f88\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_fr-ca_95adf34fff1c85ae\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_fi-fi_999b37b3fc8bfb50\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_et-ee_f43ffe970b77e5b5\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_es-mx_fcb720ad0605ecd1\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_es-es_fa80330707720926\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_en-gb_f32c1b050c2263bc\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_el-gr_fa5a2dbd0782744a\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_de-de_51c4002a186d0bbc\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_da-dk_54986aee1696b722\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_cs-cz_b75e8ac72050bb23\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_bg-bg_0c55142c32c8def8\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_ar-sa_661532a342488da1\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.16299.1059_none_18b12f0321cd9e98\
    Windows 10: C:\Windows\WinSxS\amd64_microsoft-windows-microsoftedge_31bf3856ad364e35_10.0.16299.1059_none_18b12f0321cd9e98\
    Windows 10: C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D53791E\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_en-us_fab4d623074b1781\
    Windows 10: C:\Windows\WinSxS\amd64_microsoft-windows-m..osoftedge.resources_31bf3856ad364e35_10.0.16299.755_en-us_fab4d623074b1781\
    Windows 10: C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\Assets\ErrorPages\
    Windows 10: C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\en-US\assets\ErrorPages\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve unknownprotocol.htm problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download unknownprotocol.htm Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying unknownprotocol.htm to your appropriate Windows system directory. Microsoft typically does not release Microsoft Office Access 2010 HTM files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing unknownprotocol.htm and all other HTM files for Microsoft Office Access 2010. An incorrectly installed HTM file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to unknownprotocol.htm


HTM Files Related to unknownprotocol.htm

File Name Description Software Program (Version) File Size (bytes) File Location
http_406.htm Hypertext Markup Language Microsoft Office Access 2010 14 1345 C:\Program Files\TechSmith\Camtasia 2019\Media\...
forbidframingedge.htm Hypertext Markup Language Microsoft Office Access 2010 14 1488 C:\Windows\Cursors\
unknownprotocol.htm Hypertext Markup Language Microsoft Office Access 2010 14 2052 C:\Windows\Cursors\
BlockSite.htm Hypertext Markup Language Microsoft Office Access 2010 14 6835 C:\Windows\Cursors\
PhishSite_Iframe.htm Hypertext Markup Language Microsoft Office Access 2010 14 1850 C:\Program Files\TechSmith\Camtasia 2019\Media\...

Other Files Related to unknownprotocol.htm

File Name Description Software Program (Version) File Size (bytes) File Location
OneX_v1.xsd XML Schema Definition Windows 8 5957 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Microsoft Office Access 2010 14 6201 C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D5...
WLANAP_profile_v1.xsd XML Schema Definition Windows 8 7504 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 8.1 7548 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 7 15591 C:\Windows\L2Schemas\


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