Summary

The guide is to show you the different cause of 0x803c010b problem and introduce a few valid ways to resolve 0x803c010b problem easily. Read on as we explore how to resolve 0x803c010b issue, make your true choice to select our solution.

Problem

Mostly, you are going to experience:

This error may cause thatcomputer crash and run slowly, software not run, game not run.

Symptoms

The error code displays on the computer screen is:

"An unknown error has occurred. Microsoft fix it error code 0x803c0107"
Reason for microsoft fix it error code 0x803c0107:

The error may occur as a result of many reasons like:

    The lack of files or registry permissions which cause the presence of microsoft fix it error code 0x803c0107 on your device may occur for several reasons. The most common of these relates to the existence of malware programs on your machine. Malware may disrupt and change system files which are required for the update process to occur. Therefore, this error code requires a systematic way to first find missing or corrupt files, and to clean up malware programs which could be preventing your machine from accessing updates.
What's the correct way to repair microsoft fix it error code 0x803c0107 error codes?
Professional Resolution

When KMS activation is not used, and when there is not a KMS server, the product key type should then be changed to an MAK. For MSDN (Microsoft Developer Network) or TechNet, the SKUs that are listed on the media are usually volume-licensed media, and that means that the product key that is supplied is a Multiple Activation Key.
To change the KMS to an MAK, click Start, All Programs, Accessories, and then right click on Command Prompt. Click Run as Administrator. If prompted for a password or confirmation, enter it now.
When the command prompt opens, type in the following command, and press enter after:
Slmgr -ipk xxxxx-xxxxx-xxxxx-xxxxx (these x's are representative of the MAK product key).

Still can't Fix: microsoft fix it error code 0x803c0107

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You can now download the repair tool and repair error microsoft fix it error code 0x803c0107 with one click.
Repair the error microsoft fix it error code 0x803c0107 within 3 steps.

Step 1: Download & Run SmartPCFixer - Download Now

Step 2: Open SmartPCFixer and Click "Quick Scan" to analyze your System(Normally, the software performs an automatic scan).

Step 3: Click "Fix All" button when the scan is complete, then the error will be resolved

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