Usbser.sys Isn't Working? Repair Guide

Recommended: Use Fortect System Repair to repair Usbser.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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Fortect System Repair
Filename
usbser.sys
Version
Filesize
480.43 KB
Category
Generic
MD5
40c9133432fa4744d07cc1b12296ce53
SHA1
fd339e37cec356d9b24e1dc7905f251a1822600d
SHA256
74a84a40458cf58874f2d314f5e264abc8f5f4561a0e9bd1950853930fdbb290
CRC32
23998273

Usbser.sys is a system file in Windows operating systems that is responsible for supporting USB communication for serial-port devices. This file enables devices like modems, cell phones, and various other gadgets to communicate with the computer using a USB connection. If you encounter any issues with USB serial devices on your Windows system, it's important to ensure that the usbser.sys file is functioning properly, as any corruption or errors within this file can lead to connectivity issues.

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

Understanding Common Issues with Sys Files

When your computer hits a snag, often it's a .sys file, like usbser.sys, at the root of the problem. These files can become corrupted, be deleted inadvertently, or clash with newly installed software. The resulting issues might lead to system instability, performance slowdowns, or even the notorious Blue Screen of Death.

  • Blue Screen of Death (BSOD): A blue screen accompanied by an error code often signals a .sys file corruption.
  • Regular System Crashes: If your computer crashes or restarts unexpectedly and frequently, a .sys file corruption could be the cause.
  • Error Messages: Users might see specific error messages related to the .sys file during the startup of their computer, during the running of certain software, or during the installation of a program.
  • Hardware or Software Failures: Malfunctioning applications or hardware could suggest that the corresponding .sys file is damaged.
  • Reduced Performance: The computer may become notably slow, a common symptom of a corrupted .sys file.

File Analysis: Is Usbser.sys a Virus?

The file named usbser.sys has successfully passed tests from various virus detection tools with no flagged security issues. This is certainly good news as it minimizes the risk to your computer's overall health and performance.

Maintaining Security

However, even with such reassuring results, not letting your guard down is important. Regular system updates and routine security scans are pivotal in maintaining your computer's security and operational effectiveness. This way, you can continue to confidently use usbser.sys as part of your daily computer activities.

How to Remove Usbser.sys

In case you need to completely eradicate the usbser.sys file from your system, follow these steps with caution. When dealing with system files, it's essential to proceed carefully to avoid unexpected system behavior.

  1. Locate the File: Begin by locating usbser.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. Safeguard Your Data: Before proceeding, ensure you have a backup of important data. This safeguards your vital files in case of any issues.

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

  4. Empty the Recycle Bin: After deleting usbser.sys, remember to empty the Recycle Bin to thoroughly remove the file from your system. Right-click on the Recycle Bin and select Empty Recycle Bin.

  5. Perform a System Scan: After file removal, conduct a comprehensive system scan using a trusted antivirus tool to ensure there are no lingering file fragments or potential threats.

Note: Keep in mind that if usbser.sys is associated with a specific program, its removal may impact the program's functionality. If issues arise after deletion, consider reinstalling the software or seeking assistance from a tech expert.

Repair Usbser.sys Error Automatically

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

In this guide, we will fix usbser.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.

Perform a Clean Boot

Perform a Clean Boot Thumbnail
Difficulty
Intermediate
Steps
13
Time Required
10 minutes
Sections
7
Description

How to perform a clean boot. A clean boot is a troubleshooting technique that allows you to isolate a problem involving usbser.sys.

Step 1: Press Windows + R keys

Step 1: Press Windows + R keys Thumbnail
  1. This opens the Run dialog box.

Step 2: Open System Configuration

Step 2: Open System Configuration Thumbnail
  1. Type msconfig and press Enter.

Step 3: Select Selective Startup

Step 3: Select Selective Startup Thumbnail
  1. In the General tab, select Selective startup.

  2. Uncheck Load startup items.

Step 4: Disable All Microsoft Services

Step 4: Disable All Microsoft Services Thumbnail
  1. Go to the Services tab.

  2. Check Hide all Microsoft services.

  3. Click Disable all.

Step 5: Disable Startup Programs

Step 5: Disable Startup Programs Thumbnail
  1. Open Task Manager.

  2. Go to the Startup tab.

  3. Disable all the startup programs.

Step 6: Restart Your Computer

Step 6: Restart Your Computer Thumbnail
  1. Click OK on the System Configuration window.

  2. Restart your computer.

Step 7: Check if the Problem is Solved

Step 7: Check if the Problem is Solved Thumbnail
  1. After the computer restarts, check if the usbser.sys problem persists.

Run the Deployment Image Servicing and Management (DISM) to Fix the usbser.sys Error

Run the Deployment Image Servicing and Management (DISM) to Fix the usbser.sys Error Thumbnail
Difficulty
Intermediate
Steps
6
Time Required
10 minutes
Sections
3
Description

How to resolve issues related to usbser.sys by utilizing the DISM tool to scan and repair Windows system files.

Step 1: Open Command Prompt

Step 1: Open Command Prompt Thumbnail
  1. Press the Windows key.

  2. Type Command Prompt in the search bar.

  3. Right-click on Command Prompt and select Run as administrator.

Step 2: Run DISM Scan

Step 2: Run DISM Scan Thumbnail
  1. In the Command Prompt window, type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.

  2. Allow the Deployment Image Servicing and Management tool to scan your system and correct any errors it detects.

Step 3: Review Results

Step 3: Review Results Thumbnail
  1. Review the results once the scan is completed.

Software that installs usbser.sys

Software File MD5 File Version
d4027a591da934df3e0085d80f3ed704 10.0.19041...
80456636f0265ac8ea9b27db08d798b5 10.0.22621...
23ee2e3ae44557d97d4ee6854c74e33a 10.0.17763...
429477d6def3321ff7d3ef23caaada00 10.0.14393...
ec60c70fbb83a374329c0cf2ae869858 10.0.20348...
72334ec4b3fd4eb270623e32e701b57d 6.2.9200.1...
029dfb6e5b38add45561a8ce0f60b331 6.3.9600.1...
0f0c72a657c622286013788b886968ad 6.1.7600.1...
4acee387fa8fd39f83564fcd2fc234f2 6.1.7601.1...
029dfb6e5b38add45561a8ce0f60b331 6.3.9600.1...
Files related to usbser.sys
File Type Filename MD5
DLL
fa63ca688668ae4849c04c02510e920b
DLL
03C772FD3368F75D1B539E3BBF5AD39DF5A1E882
DLL
1e0927a661248c5e9e5f2c84ea6194ca
DLL
44e945658b5e1ad34c9f07bc730ab312
EXE
91d14068cd268f8a66fbce43454f735c
DLL
1904ee184ab092d108c375bc8c50ef90
DLL
e7e3ed32fb53f1d9438c71dca9a6e8f3
DLL
b1eb9874736d1061ed1410eae04f066c
DLL
b1c28c771036b0c23243e110ef6f8161
DLL
5bc982dffbdb43e82330731bf35fb3d8