[Solved] How to Fix Xusb21.sys Errors

Recommended: Use Fortect System Repair to repair Xusb21.sys errors. This repair tool has been proven to identify and fix errors and other Windows problems with high efficiency. Download Fortect here.

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Filename
xusb21.sys
Version
Filesize
421.65 KB
Category
Generic
MD5
fd75d2a598f0ebf2ada2cf45d92292f3
SHA1
7bec6548d4aae9ae8caf6804e9e3c2f92f6a3080
SHA256
4084fe3312ce7bd68474109820fc1471b30014b4ee63f253d68ffe80526ad055
CRC32
19890328

Xusb21.sys is a system file that is associated with the Xbox 360 Controller for Windows. It allows the Windows operating system to communicate with and use the Xbox 360 controller. The file is essential for the proper functioning of the controller and enables users to play games on their PC with the Xbox controller seamlessly.

If there are issues with the xusb21.sys file, it can lead to malfunctions or unresponsiveness of the controller on the Windows system.

Error Alert - xusb21.sys
Unable to start the program because xusb21.sys is missing. Consider reinstalling to resolve this.

Understanding Common Issues with Sys Files

In the heart of many computer glitches lie .sys files, such as xusb21.sys. Problems can crop up if these files get corrupted, accidentally erased, or find themselves at odds with fresh software installations. These hitches can trigger system instability, sluggish performance, and in more severe cases, the infamous Blue Screen of Death.

  • Error Messages: Users may see errors related to a .sys file when booting up, while running software, or during program installations.
  • System Slowdown: A corrupted .sys file can also lead to a significant reduction in the performance speed of your computer.
  • Blue Screen of Death (BSOD): This is the most common and dramatic error due to .sys file corruption. The screen turns blue and provides an error code which can be used to identify the problematic .sys file.
  • Frequent System Crashes: If your computer frequently crashes or restarts without warning, it may be due to a corrupted .sys file.
  • Software and Hardware Issues: If you notice certain applications or hardware not functioning properly, it might be due to a corrupted .sys file associated with them.

File Analysis: Is Xusb21.sys a Virus?

The file in question, xusb21.sys, has been thoroughly scanned and shows no signs of virus detection, as evidenced by the clean results from 0 distinct virus scanners. It's always reassuring to encounter files with no known associated threats, as these pose a lesser risk to your system's integrity and performance.

Maintaining System Security

A healthy computing environment is achieved through attentive management and proactive protective measures. Keep your system's defenses updated and periodically scan files to maintain your computer's security and performance.

How to Remove Xusb21.sys

If you ever find the need to completely wipe the xusb21.sys file from your system, follow these steps with caution. Dealing with system files requires careful handling to avoid unexpected system behavior.

  1. Locate the File: Start by identifying the location of xusb21.sys on your computer. You can do this by right-clicking the file (if visible) and selecting Properties, or by using the File Explorer's search feature.

  2. Secure Your Data: Before proceeding, ensure you have a backup of important data. This safeguards your essential files in case of any mishaps.

  3. Delete the File: Once you've located xusb21.sys, right-click on it and choose Delete. This action moves the file to the Recycle Bin.

  4. Empty the Recycle Bin: After deleting xusb21.sys, don't forget to empty the Recycle Bin to completely remove the file from your system. Right-click on the Recycle Bin and select Empty Recycle Bin.

  5. Verify System Integrity: Following file removal, perform a thorough system scan using a trusted antivirus tool to ensure there are no residual file fragments or potential threats.

Note: Be aware that if xusb21.sys is associated with a specific program, its removal may impact the program's functionality. If you encounter issues after deletion, consider reinstalling the software or consulting a tech expert for guidance.

Repair Xusb21.sys Error Automatically

Featured Guide
Repair Xusb21.sys Error Automatically Thumbnail
Difficulty
Easy
Steps
9
Time Required
3 minutes
Sections
3
Description

In this guide, we will fix xusb21.sys and other SYS errors automatically.

Step 1: Download Fortect (AUTOMATIC FIX)

Step 1: Download Fortect (AUTOMATIC FIX) Thumbnail
  1. Click the Download Fortect button.

  2. Save the Fortect setup file to your device.

Step 2: Install Fortect

Step 2: Install Fortect Thumbnail
  1. Locate and double-click the downloaded setup file.

  2. Follow the on-screen instructions to install Fortect.

Step 3: Run Fortect

Step 3: Run Fortect Thumbnail
  1. Finish the installation and open Fortect.

  2. Select the System Scan option.

  3. Allow Fortect to scan your system for errors.

  4. Review the scan results once completed.

  5. Click on Fix Errors to start the repair process.

Run the Windows Memory Diagnostic Tool

Run the Windows Memory Diagnostic Tool Thumbnail
Difficulty
Advanced
Steps
6
Time Required
15 minutes
Sections
5
Description

How to run a Windows Memory Diagnostic test. To see if the xusb21.sys error is related to memory issues.

Step 1: Open Windows Memory Diagnostic

Step 1: Open Windows Memory Diagnostic Thumbnail
  1. Press the Windows key.

  2. Type Windows Memory Diagnostic in the search bar and press Enter.

Step 2: Start the Diagnostic Process

Step 2: Start the Diagnostic Process Thumbnail
  1. In the Windows Memory Diagnostic window, click on Restart now and check for problems (recommended).

Step 3: Wait for the Diagnostic to Complete

Step 3: Wait for the Diagnostic to Complete Thumbnail
  1. Your computer will restart and the memory diagnostic will run automatically. It might take some time.

Step 4: Check the Results

Step 4: Check the Results Thumbnail
  1. After the diagnostic, your computer will restart again. You can check the results in the notification area on your desktop.

Step 5: Check if the Problem is Solved

Step 5: Check if the Problem is Solved Thumbnail
  1. After the memory diagnostic, check if the xusb21.sys problem persists.

Perform a System Restore to Fix System File Errors

Perform a System Restore to Fix System File Errors Thumbnail
Difficulty
Advanced
Steps
9
Time Required
20 minutes
Sections
5
Description

How to perform a System Restore to repair the xusb21.sys issue.

Step 1: Open System Restore

Step 1: Open System Restore Thumbnail
  1. Press the Windows key.

  2. Type System Restore in the search bar and press Enter.

  3. Click on Create a restore point.

Step 2: Choose a Restore Point

Step 2: Choose a Restore Point Thumbnail
  1. In the System Properties window, under the System Protection tab, click on System Restore....

  2. Click Next in the System Restore window.

  3. Choose a restore point from the list. Ideally, select a point when you know the system was working well.

Step 3: Start the Restore Process

Step 3: Start the Restore Process Thumbnail
  1. Click *Next, then Finish to start the restore process.

Step 4: Restart Your Computer

Step 4: Restart Your Computer Thumbnail
  1. Once the restore process is complete, restart your computer.

Step 5: Check if the Problem is Solved

Step 5: Check if the Problem is Solved Thumbnail
  1. After the restart, check if the xusb21.sys problem persists.

Software that installs xusb21.sys

Software File MD5 File Version
276842a27953be204a2507096f09b1f3 1.40.224.0
Files related to xusb21.sys
File Type Filename MD5
EXE
697f14d36aa4eacca789e943754689ce
EXE
4b6b3110c4548de241aa662b26a0b563
EXE
ab74e46f9a5a93a5a7a259e268244216
EXE
16cd36cafe1015cdf0b734ffdb7664a2
DLL
d9acbea7715b1ce8e445d80871104aa2
DLL
022bcadb3d10b80d06247ce0ff860e84
DLL
5e5351b4302088ea2d38427d30ee5c7d
DLL
fea9311e06bcb234347f9bc03f21804a
DLL
f40c52c6a486c61475e129ec6bb5afe5
DLL
008f4c70cb62ab49fd90e47ec89339ba