Home > HOW TO GUIDES > Error Code 101 🔧 What Is It and How to Fix It?

Error Code 101 🔧 What Is It and How to Fix It?

Error Code 101 How to Fix It -stf

What Is Error Code 101?

This article aims to explain to you what exactly is Error Code 101 and what you should do to fix this error. It will provide you with the necessary step by step instructions on what you can do to deal with this error once it appears on your Mac or PC.

Error Code 101 happens when you start Quicktime on your Mac or PC and it fails and crashes while it is currently operating. Seeing this error does not mean the code behind your Quicktime is corrupt, only that it does not function how it should be. Such an error may appear in the form of an annoying notification.

Keep reading this article to find out more information on the symptoms of Video Error Code 101 and what you can do to fix it completely.

Error Code 101 Summary

Name Error Code 101, also known as Video Error 101 “An unknown error occurred (-101)” or Runtime Code 101 Quicktime Error 101
Type Runtime Error
Short Description Error 101: Quicktime has encountered a problem and needs to close. We are sorry for the inconvenience.
Symptoms A pop-up appears, saying Apple Quicktime has encountered a problem and has to close.
Program Quicktime
Fix Tool Try this fix to repair your Mac from errors and optimise system performance:



User Experience Join Our Forum to Discuss .

Error Code 101 – What Are Its Symptoms

The main symptoms appear in an annoying pop-up that may show you the following message:

Error 101: Quicktime has encountered a problem and needs to close. We are sorry for the inconvenience.

error 101 fix

Error Code 101 is the type of error, that may show up on your device without any particular reason.

If not addressed immediately, this error may continue to haunt you. It is not known whether a virus infection is behind this symptom as it is a runtime error and usually these errors are caused by malware, but also be advised that if you experience symptoms, like the following:

  • Internet speed starts slowing down.
  • Your computer may behave erratically.
  • Some of your other apps may stop functioning.

Error Code 101 – How to Fix It?

Several different means exist via which you can fix this error if it occurs on your computer system. Since it is a runtime error, different solutions may exist to fix errors, like it. Follow the steps below to help you fix the Error Code 101.

Step 1: Close any apps or programs that may be in conflict.

When you get errors, like this one, often conflicting apps may be the case. Below, you can find the solutions for closing conflicting apps for Windows and macOS:

For Windows:

Open Task Manager and type Ctrl-Alt-Del and then go to the Processes tab, after which stop any running programs that may be conflicting by right-clicking and clicking on End Process.

For macOS:

Go to Activity Monitor, mark any processes you believe are suspicious and close them by clicking the “X” button on top left above them.

After you have done this fix, you should observe if this error will show up again if you start and stop a specific process.

Step 2: Update and Re-install Any Software You Believe is Problematic.

For Windows:

Go to Programs and Features (Uninstall a Program), select the program you want to uninstall and click “Uninstall”.

For macOS:

Go to Applications and drag the icon of your program to Bin to uninstall it. For macOS, you can go to your AppStore and click on the “Updates” tab to check if any applications are out of date.

Step 3: Install the latest updates of your OS.

For Windows:

Open your Update Center from Settings or Control Panel – Updates and see if you have the newest Windows updates. If not, you should see a button to download and run them.

For macOS:

Go to System Preferences – Software Update and check for a newer macOS version. You will see a button to install it and Upgrade if its available.

Step 4: Scan your computer for errors and optimise it automatically.

If you have tried most of the fixes, but you keep getting error messages, then the best advice to go for is to make sure and check your computer for:

You can do all of this by running an automatic scan of your computer using a professional anti-malware software. Such an advanced tool is created by cybersecurity and tech experts and is guaranteed to help detect and delete any malicious files and whatever may be causing errors and optimise your computer to make it fast again:



Spy Hunter scanner will only detect the problem. If you want the issue to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter

Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

More Posts - Website

Follow Me:

Leave a Comment

Your email address will not be published.

Share on Facebook Share
Share on Twitter Tweet
Share on Google Plus Share
Share on Linkedin Share
Share on Digg Share
Share on Reddit Share
Share on Stumbleupon Share