MOZILLA_PKIX_ERROR_MITM_DETECTED is an error notification that occurs on Firefox when an end user attempts to access a website. It’s reported to occur most commonly on larger websites, specifically HTTPS sites. As you can tell in the name, this error is specific to Mozilla Firefox browsers – which means, the affected site(s) are typically accessible by other browsers.

If you frequent a lot of tech forums, you’ll likely come across a number of end users who have encountered Microsoft Store error code 0x80073CF3. Error 0x80073CF3 occurs most commonly when a user attempts to download and install certain apps. Most specifically computer games like, Gears of War, Minecraft, Forza Horizon and a litany of other games, via the Microsoft Store digital distribution platform.

Windows Store is a built-in feature used for downloading, installing and updating apps on your operating system. However, this component is not without its issues; as issues associated with this feature are plentiful. This brings us to error code 0x803f8001 which occurs when an end user attempts to update an app or tool through Windows Store.

Have you recently encountered error 0xC1900204 while attempting to update your Windows operating system? Microsoft is constantly releasing new updates, for the explicit purpose of optimising system performance and boosting your security. If you intend to stay one step ahead of the cybercriminal, then it’s imperative that you install the latest updates, as and when they are made available.

Fatal error C0000022 occurs during the boot-up phase, when the operating system attempts to apply an update. This typically happens when the system was shutdown unexpectedly while applying an update. An abrupt or unexpected shutdown while the OS is updating can result in data corruption causing the update to fail.

Error code 0x80070103 occurs as a result of the Windows Update attempting to reinstall a driver already present on your system. Windows 10 & 11 users are most likely to fall victim to this issue. In most cases, end users report encountering this error, right after Windows Update failed an attempt at reinstalling a Realtek driver.

PR_END_OF_FILE_ERROR (Secure Connection Failed) is an error message that appears on Mozilla Firefox when an end user attempts to visit a website. The error message indicates an inability to establish a secure connection with the website due to cipher suites failure. Cipher suites are essentially a set of instructions used for authenticating and securing an encrypted network connection.

Does every attempt to download the latest Windows Update result in the termination of the installation process and an error 0x800f0831? If so, then you need not panic, as you’ve come to the right place. In this tutorial, we’ll discuss exactly what error 0x800f0831 is, what causes it, and the various ways you can fix it.