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Software review series: Freeplane

There are not many applications for creating mind maps, even fewer that are completely free, so it is with great pleasure to present you with Freeplane. Freeplane is mind mapping, Knowledge Management, and Project Management software completely free and open source.

freeplaneYou can it here: https://sourceforge.net/projects/freeplane/files/latest/download

And from developers git page and I quote:

Freeplane is a free and open-source software application that supports thinking, sharing information, and getting things done at work, in school, and at home. The core of the software is tools for mind mapping (also known as concept mapping or information mapping) and using mapped information. Freeplane is written in Java using OSGi and Java Swing. It runs on any operating system that has a current version of Java installed. It can be run locally or portably from removable storage like a USB drive.

We use Github only as of the main code repository, all other project parts are hosted at the source forge. So all bugs and feature requests are managed in a separate issue tracker. There is a drop-down box for selecting different types of issues. Other sources of inspiration are our new forum and old forum. Some users write their ideas there. Every contributor and every team member freely decides what task he is going to work on, but for making the best decision we can communicate our self-set goals in the above forum. It is supposed to enable early discussions and community feedback and also to motivate you and other people.

How to start hacking and contributing

People new to the project can start with implementing a new small feature or doing some refactoring or documentation and not with the bug fixing. Not all bug reports seem to be equally important, and if there are important bugs they usually get fixed by people who broke the functionality. I think you should first get there :).

For internal developer discussions, there is a private mailing list. It is held private to avoid spam mails. If you want to be subscribed let us know what mail address you are going to use with it. This list is the preferred way to ask all code-related questions because they usually get answered soon and by the most competent team member.

Some documentation for new developers is available in Freeplane wiki https://www.freeplane.org/wiki/index.php/How_to_build_Freeplane and also here and here. It is written for new guys and should also be maintained by the new guys to stay up to date.

Looking forward to any questions and contributions,

Freeplane development team

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Fix The update isn’t applicable in Windows
There are times when you install a Windows update to your Windows 10 computer but you only got an error message saying, “The update isn’t applicable to your computer”. This is unusual as Windows was the one that downloaded them in the first place. To understand the reason behind this error, read on as this post will also give you a couple of suggestions you can try to fix the problem. One of the main reasons why this error occurs is that your computer might not have the required installed updates and many more. Other reasons include:
  1. The update might be replaced. There are instances when a newer Windows version is already available on the computer and that the version you are trying to manually install is an older version which is why the Windows update failed.
  2. The update might already be installed. There are times when the update process is still in progress and the earlier payload might have already been installed.
  3. It could also be that it’s a wrong update for architecture. As you know, updates are designed accordingly based on the architecture of the computer so if the update you are trying to install does not match the architecture of your CPU then it’s no wonder you’re getting an error message.
  4. Your computer might be missing a prerequisite update. There are Windows updates that depend on other updates so if you missed one and you’re installing another one, it could be the reason why you’re getting the error.
To fix the problem, here are some suggestions that might help.

Option 1 – Try verifying the package and the Processor Architecture

As pointed out earlier, updates are made according to the Windows versions. Thus, if one of the updates failed to install, you need to check if it’s applicable or not. The best way to do that is by searching the Windows update name on the official website of Windows. It could be that the Processor Architecture is not compatible with the Windows Update you are trying to install. If you have an X86-based processor, you can’t install x64-based installations of Windows and vice-versa. This usually happens when you’ve downloaded the update manually and then tried installing it.

Option 2 – Try checking if the update is old

The issue might be because you are trying to install an old Windows update which is why it didn’t work. To check, go to Settings > Update and Security > View Update history. From there, you can look for the update.

Option 3 – Try checking if the update is already installed

To verify the update, just go to the Windows Update history once more as you did in option 2, and then see if the update is already installed or not.

Option 4 – Try checking the prerequisites

AS mentioned earlier, there are some updates that depend on other updates before they get installed on your computer. The best way to verify is by checking the Microsoft Knowledge Base (KB). And to verify if the prerequisite updates are installed or not, just run the command below in PowerShell:
get-hotfix KB1111111, KB2222222, KB3333333
Note: In the command given above, you need to replace “KB1111111, KB2222222, KB3333333” with the actual update KB numbers.

Option 5 – Try running the Windows Update Troubleshooter

As you know, Windows 10 has various auto-repair built-in tools to help users fix small issues which used to get fixed manually. And in this case, you will need the Windows Update Troubleshooter to fix the issue.
  • Go to Settings and click on Update and Security.
  • From there, click Troubleshoot and click on Windows Update and then click the “Run the troubleshooter” option.
  • After that, it will try to detect and automatically fix common issues in the Windows Updates which can be resolved by Windows itself. Note that the process may take several minutes before it completes so you need to wait until it’s done. Once it’s done, in case you have some pending update that wasn’t realized by the system early on, it will apply the fix right away and restart the Windows Update service.
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How to reset TCI/IP stack in Windows

TCI/IP or as known as Internet protocol is one that controls packets that are sent over the internet and makes sure that each one has reached its destination so you can pleasantly browse your favorite websites. The setting for the given protocol is stored locally on your machine and most of the time, everything works fine and good, but sometimes, these settings can get corrupted.

tcp/ip reset protocol

Malware or other software can temper with setting making TCP/IP making it wrong and throwing nondescript connection errors in your face. If you are faced with this issue worry not because fixing this issue is really easy.

Before we actually go and fix the issue please do scan your system with your protection suite just to be sure that if there is any kind of malware on the system it is properly removed from it.

Resetting TCP/IP

First thing is to open search and find PowerShell, press the Windows key on the keyboard, and type in PowerShell so search results are shown. Click on Run as administrator to open PowerShell in elevated mode.

Once PowerShell is opened type indie it:

netsh IP reset and press ENTER. The task will start executing and at this point you will see a lot of Resetting, OK! messages. Once everything is finished restart your PC and you are good to go.

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New Windows vulnerability discovered
The latest security vulnerability was discovered inside both Windows 10 and Windows 11 letting any user access admin privileges inside the operating system. This can, of course, be used by a potential attacker to get full control of the system. The problem lies in Microsoft's security rules assigned to the Windows Registry and the Security Account Manager. Both for some reason have reduced restrictions allowing any local user to fully access the files without administrator privileges. The problem is even more amplified if we think about Security Account Manager which includes all account data including the passwords of all users using the same PC. This can provide a potential attacker with all information and let them log on into the administrator account for full control. Microsoft is aware of the matter and is tracking it with code CVE-2021-36934, and includes a complete workaround for the issue, which includes restricting access to  %windir%\system32\config and deleting any restore points or Shadow volumes that were created before that point until the hole is plugged with an official security patch.
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Guide to Patching Error Code 34

Code 34 - What is it?

Code 34 is one of the several Device Manager error codes. This error code indicates that a hardware device on your PC is not properly configured.

This usually occurs when the device installed on your system is a non-plug and play. Non-plug and play devices don’t configure automatically and require manual configuration from the users end.

Error code 34 is usually displayed in the following format:

“Windows cannot determine the settings for this device. Code 34”

Solution

driverfix boxError Causes

Error code 34 may be triggered due to several reasons like:

  • Improper device configuration
  • Missing or outdated drivers

Device Manager error codes like code 34 are easy to fix. These error codes don’t indicate any serious PC problem, nor are they fatal like blue screen of death error codes.

Nonetheless fixing it immediately is advisable to ensure the proper functioning of the plugged-in hardware device. If you don’t resolve it, you may not be able to use the device.

Further Information and Manual Repair

When PC users experience error codes like code 34, they instantly think of hiring a professional for repair especially if they lack technical understanding.

If you are not a technical whiz and you are also thinking of hiring a professional for the repair job, then don’t! Here’s why, to begin with, Device Manager error codes can be resolved easily, better yet you can fix it by yourself without spending a dime even if you are not technically sound.

To help you, below is a list of easy and effective repair solutions for error code 34. Try them to resolve the issue.

Method 1 - Configure the Device by Using Device Manager

This is one of the best ways to resolve error code 34 on your system. The procedure will take 5 to 7 minutes. Simply follow the steps illustrated below to configure the problematic device on your PC.

  1. First off, go to the start menu
  2. Now type Device Manager in the search bar and press enter to continue
  3. Now in the Device Manager locate the problematic device and click on it
  4. Click on the resources tab to change the resource settings
  5. Now click on the Use Automatic Settings check box
  6. After that click on the Settings based on the tab and then click on the hardware configuration of the device you want to change
  7. Press resource type in the resource settings box to make further changes
  8. Once that is done, click change settings and type a new value for the resource type

Method 2 - Consult the Hardware Manufacturer for Resource Settings

You may not be able to configure resource settings for some devices in such an event it is advisable to consult your hardware manufacturer. Your hardware manufacturer can provide you with specific resource settings. Follow the manufacturer’s instructions to repair error code 34.

If the error continues to persist even after device configuration, then the problem may be linked to driver corruption. In that case, try method 3.

Method 3 - Download DriverFIX to Update Drivers Automatically

Whether code 34 is caused by outdated or corrupted drivers, simply download DriverFIX to resolve. DriverFIX is an advanced and user-friendly software program deployed with an intelligent programming system.

The software scans your PC to detect all problematic drivers. It finds and matches the latest and compatible versions and then updates the drivers accordingly that too automatically and on a regular basis.

Click here to download DriverFIX to repair Device Manager error code 34 on your PC automatically.

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An intelligent Solution to Repair Outlook PST Mailbox Errors

Outlook PST Mailbox Errors Malfunctions

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Error Causes

There's not a single particular trigger for Outlook email malfunctions. A few causes can trigger these, but, the most frequent are virus contamination, 2 GB limit is exceeded by PST file and broken. There are no specific signals which will help help you identify but some pointers to look at include the following:-
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  • Obscure error messages start popping on your screen
  • You can’t add new contacts or change entry data in your calendar

Further Information and Manual Repair

When you experience these signs related to PST Inbox errors, it is advisable to repair the problem immediately to ensure it does not cause inconvenience for you and hampers your communication via Outlook emails. Remember this error not only inconveniences you but also hinders proper communication between various business partners. Determining the ultimate reason for distinct Outlook email malfunctions could be tricky, time-consuming, and might need specialized knowledge to nail it down with regards to fixing the Outlook mailbox malfunctions. In case you are not a specialist, working out and fixing this problem is an uphill process. To simplify this process, obtain and install an Outlook PST Repair Tool! This is an intelligent solution to fix all kinds of Outlook errors. You do not have to go deeper into the technical details of the problem. The Outlook PST Repair tool does it for you. An inbox repair tool identifies and also repairs all sorts of MS Outlook errors in seconds. It is easy to use, highly functional, safe and efficient. By installing an Outlook repair tool, Outlook errors can be easily removed from your computer and keep the errors from happening again. It also fixes damaged PST files and damaged e-mails can help regain data. Whatever you should do is to begin:
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  2. Install the software on your system
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How to Fix Windows 10 Error C1900107

Error Code C1900107 – What is it?

Error code C1900107 is associated with an issue with upgrading to Windows 10. If you are trying to upgrade your Windows 7, Windows 8, or Windows 8.1 to Windows 10, you might have trouble doing it and you might come across this error C1900107. The error prevents you from upgrading to Windows 10 no matter what you do. Common symptoms of this error:
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  • The update process ends suddenly and a message says “Failed: 1 update. Errors found: Code C1900107. Windows Update encountered an unknown error.”
  • The update process fails after trying multiple times.

Solution

Restoro box imageError Causes

Following reasons may be responsible for this error:
  • There is not enough space for Windows 10 files in the primary drive
  • There is not enough space in System Reserved Partition
  • Windows 10 files are faulty or corrupt

More Information and Manual Repair

Method 1:

Clean boot Windows 8 and Windows 8.1: Whenever you get some unexpected behavior on your Windows 8, the first thing you should do is try to resolve the issue by taking a diagnostic approach. Plenty of factors can be the cause for issues like slowdowns, BSODs, computer freezes, sudden reboots, etc. The best way to detect the problem is to perform a clean boot. Using a clean boot, you can find out if the Operating System is damaged by some third-party app or bad driver. You can exclude the influence of these factors and prevent them from loading. You should do 2 things before you proceed with the clean boot. First, check if any third-party application is causing the problem. If you disable all third-party apps from startup, it will help eliminate software conflicts.
  • Press the Windows + R on the keyboard. The Run dialog box will pop up.
  • Type MSConfig in the dialog box and click "OK".
  • The System Configuration utility will appear on the screen.
  • On the services tab of the System Configuration dialog box, tap or click to select the Hide all Microsoft services check box, and then tap or click Disable all.
  • On the startup tab of the System Configuration dialog box, tap or click Open Task Manager.
  • On the startup tab in Task Manager, for each startup item, select the item and then click Disable.
  • On the startup tab of the System Configuration dialog box, tap or click OK, and then restart the computer.
Now, close MSConfig.

Method 2:

The second step is a Safe boot. Follow the steps below for a safe boot:
  • Press Win + R shortcut keys on your keyboard. The Run dialog will appear on the screen. Type MSConfig and press Enter.
  • The 'System Configuration' application will appear on the screen.
  • Switch to the 'Boot' tab, select your Windows 8.1 entry and tick the 'Safe mode' checkbox.
  • Reboot your PC to enter the Safe mode of Windows 8.1.
  • After you finish troubleshooting in Safe Mode, run MSConfig again from Safe Mode and uncheck the checkbox from step 2.

Method 3:

For this method, you will need to find the $Windows.~BT Folder in your primary drive which is C:. This folder might contain corrupt files which are preventing you from installing Windows 10. The folder is hidden and we need to unhide it. Follow the steps below:
  1. Open File Explorer or alternatively double click on This PC or My Computer.
  2. Now from the top option click on View, The Check the Box that says Hidden items.
  3. Now you will be able to see hidden files and folders. Navigate to C:$Windows.~BT and Rename the folder to something like $Windows.~BT1.
  4. Now, try downloading Windows 10 again. The installation process should go through this time without any errors like code C1900107.
Method 4: If the above methods fail, try this method:
  1. Go to C:\Windows\Software Distribution\Download. Now delete all the files from this download folder. Remember, do not delete the folder itself, and just delete the files.
  2. Now, delete the $Windows.~BT Folder. This might ask you for administrator permission. Simply click yes.
  3. Now try to install or upgrade to Windows 10. This method should work fine and there should be no error code C1900107.
If you do not possess the technical expertise required to accomplish this yourself or do not feel comfortable doing so, download and install a powerful automated tool to get the job done.
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Fix Google Chrome screen flickering issue
If you are using your Google Chrome browser and suddenly notice a constant flickering after you’ve upgraded your Windows 10 computer, read on as this post will help you sort out the issue. A lot of users have reported this screen flickering issue in Chrome after having upgraded their devices to a recent Windows 10 build. The bizarre thing about this problem is that it only affects the Google Chrome browser and when it occurs, the Chrome browser will start to flash or flicker. According to users who experience the problem in Chrome, it seems to get worse when they try to play videos on YouTube or other streaming sites. To resolve this problem, many users tried to use Chrome in Incognito Mode, cleared the browser cache as well as cookies. They even tried resetting the browser settings and reinstall Chrome but nothing seems to work. Worry not though as there are still other options you can try to fix the problem and they’re easy ones so you’ll have no problem following them. The screen flickering problem in Chrome appears to be related to the Windows background and color settings as well as incompatible display drivers. This is why it is advised that you have both the video card drivers and Chrome browser updated to prevent the same problem from happening again. To get started troubleshooting the screen flickering issue in Chrome, refer to the following options.

Option 1 – Try modifying the background and colors settings

  • Tap the Win + I keys to open the Settings app.
  • From Settings, go to Personalization to load the Background Preferences and if this window does not appear, just select the Background option from the left side panel.
  • Next, select a Solid Color as the new background from the drop-down menu.
  • After that, check if the problem is fixed. This should be fixed especially if the one that’s causing screen flickering is the Windows automatic background switching.
  • Once you’ve selected the Solid color as the background preference, go to the Colors tab under Personalization. This will open a new window and from there, check the box of the “Automatically pick an accent color from my background” option.
  • Now close the Settings app and open Chrome again.

Option 2 – Try to update or rollback the Graphics driver

You can try to update your Graphics card driver using the Device Manager in your computer to resolve the blank dialog boxes problem or you can also go directly to the website of your graphics card manufacturers like NVIDIA, Intel, or AMD and go to the section called Drivers then check if there’s a new available update – if there is, download and install it. To update your Graphics driver via Device Manager, refer to these steps:
  • First, boot your computer into Safe Mode.
  • After that, tap the Win + R keys to launch Run.
  • Type in devmgmt.msc into the box and tap Enter or click OK to open the Device Manager.
  • After that, a list of device drivers will be displayed. From there, look for the Display Adapters and click on them.
  • After that, right-click on each entry under the Display Adapters and select the “Uninstall Device” option from the menu.
  • Now restart your computer.
  • After restarting your computer, go to the Settings app and Check for Updates in the Windows Update section.
Note: If updating the Graphics driver didn’t fix the problem, you can also try to roll back to its previous version and see if that helps.

Option 3 – Try to disable the Hardware Acceleration

For better performance, Google Chrome uses the Hardware Acceleration by default. Unfortunately, there are just some cases when your hardware, GPU to be specific, might not be able to cope with the requirements, resulting in the black screen issue. And if this is your case, you should try to disable the hardware acceleration from your Google Chrome browser settings panel. To do so, follow the steps below.
  • Open the Google Chrome settings page.
  • Click on the Advanced button to get more options.
  • Look for the option called “Use hardware acceleration when available” and then disable it by toggling the button to the left.
  • After that, check if the screen flickering issue in Chrome is fixed.

Option 4 – Try to disable “Smooth Scrolling” in Chrome

Disabling “Smooth Scrolling” in Chrome might also help you fix the issue. To do so, follow these steps:
  • Open Chrome and type “chrome://flags” and hit Enter.
  • Next, look for a flag named “Smooth Scrolling”. You can scroll down until you find it or search it in the Search Flag bar. Note that Smooth Scrolling is enabled by default in the newer versions of Chrome.
  • After that, select the drop-down menu and select Disabled.
  • Then click on the “Relaunch Now” button.
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Screen of death colors in Windows 10
Receiving a screen of death is not a pleasant experience at all and most users would agree that they would very much like not to face one during their work with the computer. Sadly PC is not a perfect machine and it is not working in a perfect environment so errors happen. The most famous and well-known death screen is blue which is also the most common one, my bet would be that there is not a user which has not been faced with this blue error screen. There is no simple explanation why these stop errors occur as several factors can be involved. However, it is known that the malfunctioning of hardware drivers or drivers that are installed by third-party software drive this unwanted change. But did you know that there is more colors for infamous death screens and not just blue one? Microsoft has coded different errors to different colors in the goal for the technical team to be aware right away of what type and kind of error they are dealing with. Color for screen errors are: Blue, Black, Pink, Brown, Yellow, Red, Orange, Green and White If you are interested in what color represents what keep reading.

BLUE

blue screen of deathA stop error or exception error commonly called the blue screen of death (BSoD) or blue screen, is an error screen displayed on Windows computers following a fatal system error. It indicates a system crash, in which the operating system has reached a condition where it can no longer operate safely. This is caused by many different problems, such as a general hardware failure or a crucial process terminating unexpectedly.

BLACK

black screen of deathOn Windows 10 systems, a Black Screen of Death can be caused by an unfinished Windows Update. To resolve this problem, simply hold the power button down on your PC or laptop to switch off the computer. A cold start should result in the system booting properly.

PINK

pink screen of deathIt is a diagnostic screen with a white type on a pink background. Pink Screen is mainly seen when the VMkernel of an ESX/ESXi host experiences a critical error, becomes inoperative, and terminates any virtual machines that are running. It is not fatal and generally considered more of a developer testing issue. When encountered, it can be fixed quickly by following the simple action of pressing and holding your computer’s power button to shut down the device.

BROWN

brown screen of deathThe Microsoft Windows 10 Operating System Brown Screen of Death is an on-screen fatal error notification with bug check codes which is seen when a computer crashes due to graphics hardware or software-related problems (failing graphics drivers).

YELLOW

yellow screen of deathIt affects the functioning of a browser, particularly Mozilla Firefox. The Yellow Screen of Death makes the appearance with a weird buzzing sound in the background when the XML parser refuses to process an XML document causing a parsing error and a weird buzzing sound. The issue persists unless the computer is manually rebooted.

RED

red screen of deathCommonly the Windows 10 red screen is caused due to the hardware error, particularly if you overclock your Windows PC/laptop. Despite this, sometimes the red screen of death is also caused by outdated or incompatible drivers or due to BIOS issues.

ORANGE

orange screen of deathThe Orange Screen of Death on Windows occurs due to fatal hardware errors. Multiple reasons have been reported for the Orange Screen of Death. Some had this issue when watching a YouTube video, some were not able to boot into Windows. It can even occur when waking up from Sleep.

GREEN

green screen of deathThe green screen of death only appears when you're running an Insider Preview version of Windows 10. It's the same as the blue screen of death, and it will show the same error messages. ... If you see a green screen of death (GSOD) on your PC, that's a sign you're using an Insider Preview build of Windows 10.

WHITE

white screen of deathThe White Screen on Windows is also an error where the screen of the computer just turns white and freezes. There can be several things that can cause the white screen to appear on the Windows laptop monitor. But the main issue could be because of malfunctioning of the graphics hardware.
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Hide game activity and set privacy on Steam
Steam is a game store behemoth that offers more titles than any other game store online, take that along with the fact that steam was one of the first online dedicated stores for games and you can guess that many people have a steam account, buy and play games on it. It is a platform where you can meet new people in games and add them as friends on steam so you can spend some time together. But happens if you want to have friends on Steam but you would like to hide your game activity? Or even if you want to go fully private on Steam so no one can find you so you can play whatever you want without paying and judging eyes? Luckily Valve appreciates your privacy and offers ways to do exactly this. Keep on reading on how to set up your privacy settings in Steam.

Hiding Steam game activity

  • Launch Steam on your PC.
  • Go to the top bar of Steam and click on your name.
  • Select Profile from the context menu.
  • Click on the Edit Profile button present at the right section of the window.
  • Next, click on the My Privacy Settings button.
  • Now, the Privacy Settings page will be opened.
  • Scroll down and go to the My Profile section.
  • Open the drop-down list given next to the Game Details and select the Private option.
  • Now, check if this process is working or not. For this, right-click anywhere on the blank space in the Steam screen > choose the Copy Page URL option.
  • Then, open a browser and paste the copied page URL in the address bar and check whether your Steam game activity is hidden or not.

Making profile private

  • Launch Steam > click on your name > select Profile from the menu list.
  • Click on the Edit Profile > My Privacy Settings button.
  • Go to the My Profile and open the dropdown menu.
  • Click on the Private option.
  • Now, the changes will be saved automatically.
If you would like to read more helpful articles and tips about various software and hardware visit errortools.com daily.
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Fix MOZILLA_PKIX_ERROR_MITM_DETECTED
If you’re having some problem browsing multiple websites on the Firefox browser on your Windows 10 computer, then this post might be of help. One of the most common problems you could encounter in Firefox is mostly related to HTTPS and one of them is the MOZILLA PKIX ERROR MITM DETECTED or ERROR SELF SIGNED CERT or SEC ERROR UNKNOWN ISSUER error which means that Firefox was unable to trust certificates issued on secured websites. If you encounter the MOZILLA_PKIX_ERROR_MITM_DETECTED error in Firefox, this indicates that something in your network or system is interrupting your connection and injecting certificates and when that happens, Firefox won’t trust it. In such cases, one of the culprits is malware. Malware will try to replace a legitimate certificate with its certificate. Another cause is security software where it keeps a tab on a secure connection and creates a false positive, for instance:
“In Microsoft Windows accounts protected by Family Safety settings, secure connections on popular websites like Google, Facebook and YouTube might be intercepted and their certificates replaced by a certificate issued by Microsoft in order to filter and record search activity.”
And if you are connected to a corporate network, there might be a monitoring/filtering product that could be replacing certificates. Moreover, there are also users who reported getting this issue when they use the Nightly version of Firefox. And if that’s the case, you have to try accessing secure websites using only the stable build especially when it comes to payments. However, if you are not doing that, then here are some options you need to check out.

Option 1 – Try turning off HTTPS Scanning on your security and antivirus programs

Each security-based software has a security option that allows you to turn off the HTTPS scanning functionality. They may be available under different names such as HTTPS Scanning, Scan SSL, Show safe result, Do not scan encrypted connections, etc. Find what is applicable for your security or antivirus software and then try turning it off temporarily and see if it helps in fixing the MOZILLA_PKIX_ERROR_MITM_DETECTED error in Firefox.

Option 2 – Try to disable security.enterprise_roots.enabled

The next thing you can do if the first option didn’t work is to disable security.enterprise_roots.enabled which is an HTTPS certificate check on Firefox. Note that this is not recommended but you have to at least try in order to fix the error.
  • Open Firefox and then type “about: config” in the Firefox address bar and hit Enter.
  • After that, if an info message appears, confirm it.
  • Next, search for the security.enterprise_roots.enabled preference and once you found it, double click on it.
  • Then change its value to true and restart the Firefox browser once. This will import all the custom certificates from the other security software into Firefox. As a result, it will make sure to mark those sources as trusted and you won’t get the MOZILLA_PKIX_ERROR_MITM_DETECTED error.
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