
If you have forgotten your PC password or want to speed up the Boot, remove password in Windows It's something you might consider. Even so, it's best to do so wisely and with reliable tools, because we're talking about a basic layer of security that protects your data from unauthorized access.
In this guide you will see what MediCat USB is and how it helps you in rescue scenarios, as well as native Windows methods to disable or change your password when you can log in. We'll go from basic to complex, with clear warnings and simple explanations so you can act confidently at every step.
What is MediCat USB and why can it help you?

MediCat USB is a portable maintenance and rescue environment It runs from a USB flash drive without having to install anything on the computer's hard drive. It's designed for diagnostics, repairs, and recovery tasks, even when Windows won't boot.
This project is supported by Ventoy and Linux to provide a bootable system that runs in RAM, with a all-in-one collection utilities: antivirus, partition managers, RAM checkers, backup and restore tools, boot repair, and even options to reset local passwords. It's a modern offering in the vein of suites like Hiren's Boot, Ultimate Boot CD, SystemRescueCD, Rescatux, or Trinity Rescue Kit.
Working as a USB, you can carry it on your keychain and use it in any x86 PC with USB portsIts isolation from the installed system minimizes risks, and because it's free and open source, it's highly transparent for responsible technical use.
How to prepare your flash drive with MediCat USB
To use MediCat USB you need a large pendrive (the recommended size is 32 GB or more) and create the drive with Ventoy. The general process is described below, which you can adapt depending on whether you're using Windows or Linux.
- Download the MediCat USB files and the installation scripts from their official website. Make sure you have everything in an accessible folder.
- Before you begin, temporarily disable any antivirus or real-time protection that may interfere with copying or formatting the USB.
- Install Ventoy2Disk from its website, open the application and in Options set the partition style in MBR for the pendrive you are going to prepare.
- Select the correct USB drive in the Device field, press install and confirm that you are aware that the contents of the flash drive will be deleted.
- When Ventoy is finished, format the data partition created by Ventoy in NTFS using your system's formatting tool (on Windows you can use standard formatting; on Linux, GParted or another utility).
- Unzip the main file (for example, Medicat.7z) and extracts its contents to the root of the USB, maintaining the folder structure it includes.
- If the package is split into multiple parts (for example, a .001 file), also extract that part at the root from the pendrive to complete all the necessary files.
- Reopen Ventoy2Disk and press Update to finish preparing the media. This will give you a ready-to-boot MediCat USB drive.
Boot your computer from the MediCat USB
With the pendrive created, it's time to use it. On many devices, just press a key boot menu (F8, F10, F11, F12, Esc, or similar) right after turning on your PC; on others, you'll need to enter the BIOS/UEFI and prioritize the USB in the Boot Order.
Once you select the USB, the MediCat menu will appear. From there you will navigate through its categories to choose the utility you need depending on the problem: recovery, diagnostics, antivirus, partitioning, etc.
What tools does MediCat USB include?
The MediCat graphical menu organizes Utilities are organized by section, so you can find what you need faster. Here are some of the most relevant categories with useful and well-known examples:
- Antivirus: option to scan the system for malware (includes, among others, Malwarebytes for fast and effective cleanups).
- Backup and Recovery: A very comprehensive set for backup and restoration: AOMEI Backupper, Acronis (Cyber Backup and True Image), EaseUS (Data Recovery Wizard and Todo Backup), Elcomsoft System Recovery, Macrium Reflect, MiniTool (Power Data Recovery and ShadowMaker), Rescuezilla and Symantec Ghost, among others.
- Boot Repair: utilities to fix bootloaders and startup problems, such as Boot Repair Disk, BootIt Bare Metal, EasyUEFI, Rescatux or Super GRUB2 Disk.
- Boot an OS: launcher to install or start OS available on your USB thanks to Ventoy, very useful for testing or reinstalling.
- Diagnostic tools: tests of hardware and analysis: HDAT2, SpinRite, Ultimate Boot CD, plus MemTest86 and MemTest86+ to rigorously test the RAM.
- Partition Tools: creating, deleting, resizing and repairing partitions, as well as formatting and managing partition tables.
- Password Removal: module focused on restoring forgotten credentials in local environments, always with legitimate use and consent.
- PortableApps: an area designed for you to add your favorite portable applications and customize the flash drive.
- Windows Recovery: Utilities to recover a damaged Windows system, ideal for cases of failure after updates or file corruption.
In addition to this set, the creators maintain other variants such as Medicat VHDA, which integrates an environment with Windows 11 based on VHD for diagnostic and repair tasks under a different approach.
Resetting Passwords: What You Need to Know Before You Take Action
The Password Removal category in MediCat is used for regain access to local accounts When you can't remember your password. It's important to use it only on your own computers or with express authorization, because manipulating credentials without permission can violate the law and privacy.
If the system starts and you can log in with a privileged account, it is recommended to first choose the native Windows options To change, remove, or adjust the password request; in many cases, this will be sufficient, and you won't need to go to an external environment.
Remove or change the password in Windows from the system itself
Below are simple methods to disable your password or prevent it from being requested in certain situations. Use them only when you are the owner of the team or have permission and always assessing the impact on security.
Method 1: From Windows Settings
Windows 10 and Windows 11 allow you to manage your password from the settings panel. This is the most direct way if you're already logged in with your current username and want to leave the password blank (keep in mind that this reduces the protection of the equipment):
- Open Settings (Win + I) and go to Account > Sign-in Options.
- Choose the Password section and click on change the password of a local account to open the wizard.
- Enter your current password and leave the new password and confirmation fields blank. Once you accept, your account will be password-free.
This method tells Windows to replace your key with an empty one, so from then on no password will be requested when you log in with that local account.
Method 2: From Computer Manager
Another option with administrator permissions is to use the plugin Local users and groups within Computer Manager. This is useful when managing multiple users on the same machine:
- Press Win + X and open Computer Manager.
- Go to System Tools > Local Users and Groups > Users.
- Right-click the desired user and choose Set Password; leave the fields blank and confirm the change.
Once this is done, that specific user will not require a password to access, as long as it is a local account and is not subject to corporate or Microsoft policies.
Method 3: With User Accounts (netplwiz)
The classic account dashboard allows you to adjust login behavior. If your intention is prevent password requests When you turn it on, this option suits you:
- Press Win + R, type netplwiz and click OK.
- In the User Accounts window, uncheck «Users must enter their name and password to use the equipment.
- Enter your credentials when prompted and confirm the changes to enable automatic login with your account.
With this setting, when you restart your Windows computer will skip interactive authentication and will load your profile directly, which is convenient but less secure.
Method 4: After reactivation from suspension
If what bothers you is that Windows asks for the key every time it wakes up from sleep mode, you can Remove PIN and password in Windows 11 without touching the normal startup password:
- Open Settings (Win + I) and go to Accounts.
- Go to Sign-in Options and locate «Require login«.
- In the drop-down menu, choose the “Never” option to not prompt for credentials upon resuming from sleep.
This setting only affects reactivation from suspend; if your account is linked to Microsoft, Additional policies may apply to ignore the preference for security reasons.
Method 5: Professional third-party solutions
There are tools focused on the recovery or restoration Password recovery when you've lost access. In the home environment, one of the most popular options is PassFab 4WinKey, which comes in various paid editions and a limited free trial.
This type of program allows you to create a recovery media on a USB stick, CD, or DVD from another computer and then use it on the affected device. In addition to deleting or changing local or Microsoft passwords, some include authentication methods such as PIN, Windows Hello, or picture keys. Always use them with permission and for legitimate purposes., because its power is high.
If you're looking for alternatives, there are options like Windows Password Key (paid) or Ophcrack (open source and free). They all share the idea of generating a bootable media for intervene on credentials of the target system, so the legal and ethical considerations are the same.
When should I use MediCat for my password?
If your system does not start, you do not remember the password and you cannot log in with any user, MediCat USB offers you an environment from which to launch Password Removal Tools in offline mode. Its advantage is that it works even when Windows is damaged or the boot has been interrupted.
Now, before acting it is advisable to assess whether you have backup recent, if the computer belongs to a corporate environment (where domain policies may apply) or if the primary account is a Microsoft account, in which case you may want to regain access from the account's official website.
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