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Tutorials

Useful tutorials on various PC troubleshooting topics. Video tutorials.

How to fix “Device PCI requires further installation” error on Windows 10/11

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Device PCI requires further installation error signifies that Windows has detected an installed PCI device but its drivers are either not installed correctly, outdated, or missing critical updates. This issue can lead to hardware not performing as expected or not being recognized by the system at all. Experiencing a "Device PCI requires further installation" error on your Windows 10 or 11 PC can be perplexing and frustrating. This error typically occurs in the Device Manager, indicating a problem with the Peripheral Component Interconnect (PCI) device's drivers or configuration. PCI devices include a wide range of hardware such as network cards, sound cards, and graphics cards. This article aims to clarify the nature of this error and provide a comprehensive guide to resolve it efficiently.

How to fix LowLevelFatalError on Windows 10/11

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LowLevelFatalError is typically associated with Unreal Engine games but can also occur in other applications. It's an error that signals a critical failure in the application or game, preventing it from running properly. This error can manifest due to various reasons, including outdated graphics drivers, insufficient system resources, corrupted game files, or compatibility issues. Encountering a LowLevelFatalError can be a distressing experience for any Windows 10 or Windows 11 user. This error often appears during the launch or gameplay of certain video games or when using specific applications. It can cause the program to crash, leading to frustration and a disruption in workflow or entertainment. This article aims to demystify the LowLevelFatalError, explaining its causes and providing a comprehensive guide to resolve the issue across Windows 10 and Windows 11 platforms.<

How to remove MarioLocker Ransomware and decrypt .wasted files

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MarioLocker is a malicious software categorized as ransomware, a type of malware that encrypts victims' files, rendering them inaccessible. The primary goal of ransomware attackers is to demand a ransom from the victims, typically in exchange for a decryption key necessary to unlock the encrypted files. MarioLocker Ransomware appends a unique extension to the encrypted files. It renames files by adding the .wasted extension followed by a sequential number, such as .wasted1, .wasted2, and so on. This renaming convention serves as a clear indicator of the ransomware's presence on the system. The ransom note is a critical component of the ransomware's strategy, providing victims with instructions on how to proceed. MarioLocker creates a text file named @Readme.txt, which contains a ransom message. This file is typically placed in the same directories as the encrypted files or in a prominent location such as the desktop. The note instructs victims to open a file named "WastedBitDecryptor" and follow the steps outlined within. Additionally, it directs victims to a file called YourFiles.txt located in the "C:\Windows\Temp" directory, which contains a list of encrypted files.

How to remove RTM Locker Ransomware and decrypt encrypted files

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RTM Locker Ransomware, also known as Read The Manual Locker, has emerged as a significant threat in the cybersecurity landscape. This malicious software is part of a Ransomware as a Service (RaaS) model, where affiliates are charged a percentage of their profits for using the RTM Locker infrastructure to launch their attacks. This model has facilitated the spread of RTM Locker, making it a prevalent threat to individuals and organizations alike. Upon infection, RTM Locker appends a unique 64-character extension to the filenames of all encrypted files, rendering them inaccessible to the users. This extension is a combination of random characters, significantly complicating the identification and recovery of affected files. The encryption method used by RTM Locker involves a combination of asymmetric and symmetric encryption, making it virtually impossible to decrypt the files without the attacker's private key. RTM Locker drops a ransom note named How To Restore Your Files.txt on the victim's desktop. This note informs victims of the encryption and demands contact within 48 hours to prevent the public release of the encrypted data. The note warns against attempting to decrypt the files independently, as this could lead to permanent data loss.

How to stop “We Have Hacked Your Website” e-mail spam

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We Have Hacked Your Website email is a form of spam that falls under the category of phishing scams. These emails are crafted to appear as if they are from hackers who claim to have compromised the recipient's website and obtained sensitive databases. The scammers threaten to leak or sell the data unless a ransom, typically demanded in Bitcoin, is paid within a specified timeframe. Spam campaigns infect computers through various methods. One common technique involves sending emails with malicious attachments or links. When a user opens an attachment or clicks on a link, it can trigger the download and installation of malware. This malware could be anything from spyware to ransomware, which can encrypt files and demand a ransom for their release. The infection process can also be initiated by enabling macros in Microsoft Office documents attached to the emails. These documents, once opened, prompt the user to enable editing, which can lead to the automatic installation of malware if the document is malicious. It's important to note that newer versions of Microsoft Office have a "Protected View" mode that prevents this automatic execution, providing an additional layer of security.

How to remove Water Ransomware and decrypt .water files

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Water Ransomware is a type of crypto-virus, a malicious software designed to encrypt files on a victim's computer and demand a ransom for their decryption. It belongs to Phobos ransomware family. This cyber threat is particularly insidious as it not only restricts access to important data but also carries the risk of permanent data loss and financial demands. Once a computer is infected, Water Ransomware encrypts the user's files with a sophisticated encryption algorithm and renames the files by adding a unique extension. The new file name includes the victim's ID, the attacker's email address, and the .water extension, effectively marking the files as inaccessible. For example file 1.txt will be changed to 1.txt.id[random-ID].[aquaman@rambler.ua].water. The ransomware generates a ransom note, which is typically found in files named info.hta and info.txt. This note instructs victims on how to contact the attackers to pay the ransom. It cautions against self-decryption attempts or the use of third-party software, warning that such actions could lead to irreversible data loss. The note also advises against seeking help from intermediary companies, which could lead to increased ransoms or fraudulent schemes.

How to fix Windows 11 Desktop Not Refreshing Automatically

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When your Windows 11 desktop fails to refresh automatically, it can hinder your ability to see the most current information or files on your desktop. This issue might manifest as icons not appearing or updating unless you manually refresh by right-clicking on the desktop and selecting "Refresh". This problem can stem from various sources, including software conflicts, outdated system files, or incorrect settings. This article delves into the causes of this issue and offers comprehensive solutions to rectify it. The Windows desktop is designed to automatically update to reflect changes, such as new files being added, deleted, or renamed. When this functionality breaks down, it can disrupt your workflow and cause confusion. This malfunction can be attributed to several factors: system file corruption, outdated or corrupt drivers, incorrect registry settings, software conflicts.

How to fix ERR_SOCKET_NOT_CONNECTED error in Google Chrome

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Encountering the ERR_SOCKET_NOT_CONNECTED error in Google Chrome can be a frustrating experience, especially when you're trying to access important websites. This error usually indicates a problem with the browser's ability to establish a network connection. In this expert guide, we'll delve into the causes of this error and provide a comprehensive set of solutions to help you resolve it. The ERR_SOCKET_NOT_CONNECTED error in Google Chrome is a network-related error that occurs when the browser is unable to establish a connection to the server of the website you're trying to access. This error can be caused by several factors, ranging from problems with your internet connection to settings within Chrome itself.