qlstrmc.sys Troubleshoot and Download

Sometimes Windows system displays error messages regarding corrupted or missing qlstrmc.sys files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent qlstrmc.sys file can therefore effect in failed execution of the started process.

qlstrmc.sys file Qualstar 2xxxx and 4xxx Medium changer driver. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of qlstrmc.sys related errors on your device. You can also download qlstrmc.sys file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows Vista

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download qlstrmc.sys

4.1 List of qlstrmc.sys file versions

File info

General information
Filename	qlstrmc.sys
File extension	SYS
Description	Qualstar 2xxxx and 4xxx Medium changer driver

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Driver
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	Neutral

Most common qlstrmc.sys file related problems

There are various types of errors related to qlstrmc.sys file. qlstrmc.sys file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to qlstrmc.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

qlstrmc.sys is corrupted
qlstrmc.sys cannot be located
Runtime Error - qlstrmc.sys
qlstrmc.sys file error
qlstrmc.sys file cannot be loaded. Module was not found
cannot register qlstrmc.sys file:
qlstrmc.sys file could not be loaded
qlstrmc.sys file doesn't exist

qlstrmc.sys

Application could not be started because qlstrmc.sys file is missing. Reinstall the application to solve the problem.

Problems related to qlstrmc.sys can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing qlstrmc.sys file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix qlstrmc.sys errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

qlstrmc.sys file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with qlstrmc.sys file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to qlstrmc.sys file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of qlstrmc.sys or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to qlstrmc.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the qlstrmc.sys file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the qlstrmc.sys file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the qlstrmc.sys file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace qlstrmc.sys file

The last solution is to manually download and replace qlstrmc.sys file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded qlstrmc.sys file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of qlstrmc.sys file example directory paths.

Windows 10: C:\Windows\System32\DriverStore\FileRepository\mchgr.inf_x86_ba100587bcd18b1c\
Windows 8.1: C:\Windows\System32\DriverStore\FileRepository\mchgr.inf_x86_86a2bc5c83e005e4\
Windows 8: 1: C:\Windows\System32\DriverStore\FileRepository\mchgr.inf_x86_86a2bc5c83e005e4\
Windows 7: ---
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your qlstrmc.sys file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename qlstrmc.sys

System Windows 10

File size 11264 bytes

Date 2017-03-18

Download

File details
	MD5	d9846597caba44fdbfce8b5b3a0ae00d
	SHA1	291a7d842b05958cb4b0c74809e5fc4eba596a28
	SHA256	b87de8521cd41857762da5cadfa12974d1d690cc51da2a7a7a0a8ddbc7980785
	CRC32	04fddd7c
	Example file location	C:\Windows\System32\DriverStore\FileRepository\mchgr.inf_x86_ba100587bcd18b1c\

Filename qlstrmc.sys

System Windows 8.1

File size 10752 bytes

Date 2013-08-22

Download

File details
	MD5	25b12ad2ece569529b493097380b766c
	SHA1	9c0148a8116791b0fe4127b151a033c44ef6eb62
	SHA256	b0b446c2bf653c9eb94f0b631ebeac5c19e434561aedf86e7f491acc25958296
	CRC32	e331b4bd
	Example file location	C:\Windows\System32\DriverStore\FileRepository\mchgr.inf_x86_86a2bc5c83e005e4\

Filename qlstrmc.sys

System Windows 8

File size 10752 bytes

Date 2012-07-26

Download

File details
	MD5	a6073ea2b74c0818c48e189df5b51561
	SHA1	25bde19215da3d50ef0c3660107bc10d33d107e2
	SHA256	81532c2bfe7fc52cbb52ffeefbfb3667d8149fb5b42cd2fcd2924759e6ff40a2
	CRC32	50a11986
	Example file location	1: C:\Windows\System32\DriverStore\FileRepository\mchgr.inf_x86_86a2bc5c83e005e4\

Filename qlstrmc.sys

System Windows 7

File size 13824 bytes

Date 2010-11-21

Download

File details
	MD5	1f8dff556ff594cd0b60c8df46f3a5ba
	SHA1	e12dc3fbf4abebd3f7aedd0bd2085e5f5720ab87
	SHA256	f33af04fbe01a84ee5cca0fb35c5dbf8a10b590a0dbb6e28ea4ab3101e643595
	CRC32	9d75e470
	Example file location	---

Filename qlstrmc.sys

System Windows Vista

File size 13824 bytes

Date 2008-01-21

Download

File details
	MD5	1f83d3ad39cafe21a3915105f04dd6d9
	SHA1	50bb9ed9bd43590badb04ed62ae71aeb8d4fb5bd
	SHA256	f1e9713d92cd7c80704c589311d90d9b4886698ea8535756af263bb07c832633
	CRC32	c8b3b0e7
	Example file location	---

Filename qlstrmc.sys

System Windows Vista

File size 13824 bytes

Date -0001-11-30

Download

File details
	MD5	6a48a230370081d32bc5c68d290ca82c
	SHA1	84af83e3748ed15435b6a4932a8e7d300f9d10c9
	SHA256	3577fc350ed13531b1f033ffa2c27c9558123a96b3ee99637eb1b00ac4653124
	CRC32	e9c26d60
	Example file location	---