What is usbser.sys?
usbser.sys, also written as USB Modem Driver, or usbser, is a shared library for bthmodem (bthmodem.sys) and devobj.dll in computers installed with Microsoft Windows 7, Windows 8, Windows Vista and Windows XP, including 32 bit and 64 bit operating systems. DLL usbser.sys is associated with 32768 system files and most of them are used to execute software programs like The Doctor Who Cloned Me, McAfee AntiVirus Plus and Mozilla 18.104.22.168pre.
Symptoms of usbser.sys error:
When there is problem with file usbser.sys, your computer would have the following error symptoms:
- usbser.sys is missing, cannot find usbser.sys, can’t load usbser.sys
- bthmodem (bthmodem.sys) was not found
- VSTAZL6 (VSTAZL6.SYS) blue screen of death (BSOD)
- devobj.dll is missing from your computer during The Doctor Who Cloned Me startup
- usbser.sys error in Windows startup and registry
- 2/two bthmodem (bthmodem.sys) in Task Manager and high CPU/Memory usage
- usbser.sys entry point not found when running Mozilla 22.214.171.124pre
How to fix and repair usbser.sys problems?
If usbser.sys error is not repaired as soon as possible, your computer would no longer work correctly. To resolve usbser.sys issue, you need usbser.sys file fixer. Kory Klepacz, a web traffic analysis expert from Bolt.com, said a total of 2159645 usbser.sys solution requests since 7/13/2009 5:06:32 PM. He also mentioned the effective way to fix usbser.sys error is to use DLL Suite.
How to use DLL Suite to fix usbser.sys?
The idea behind DLL Suite is to make every DLL repair become easier, even common computer users can make this complicated work done with 3 mouse clicks. For the usbser.sys repair, what you need to do is to download DLL Suite, scan your computer and then repair usbser.sys problems.
The cause of usbser.sys error:
The data published by McAfee AntiVirus Plus shows why you got usbser.sys error is because of Backdoor:Win32/Agent.OY infection. Benjamin Reiland, the leader in McAfee AntiVirus Plus antivirus center, said around 32768 computers were infected by Backdoor:Win32/Agent.OY everyday. When Backdoor:Win32/Agent.OY loads, it starts to download and install malware Program:Win32/Cleanator from http://www.intracept.com.au. At the same time, Backdoor:Win32/Agent.OY will collect private information from the affected machines and then upload these data to the remote server through electronic means.
Backdoor:Win32/Agent.OY will close and delete itself after Program:Win32/Cleanator installation. The most severe issue next is Program:Win32/Cleanator will scan your computer, display around 2159645 false system errors and ask you to pay to clean them to fix usbser.sys problem. If you take these so-called recommended actions, you would receive usbser.sys blue screen of death during your system startup and The Doctor Who Cloned Me operation.
usbser.sys FAQs you might like:
Q: Can my McAfee AntiVirus Plus help fix usbser.sys problems?
A: If your McAfee AntiVirus Plus only removes and deletes Backdoor:Win32/Agent.OY virus from usbser.sys, it would help fix usbser.sys error. But the real truth is most of the antivirus software programs not only remove usbser.sys virus, but also delete file usbser.sys. That is why you still get usbser.sys is missing error after Backdoor:Win32/Agent.OY removal.
Q: Can I uninstall Program:Win32/Cleanator to fix usbser.sys error?
A: If you got usbser.sys error after Program:Win32/Cleanator installation, you can try software uninstalling to solve usbser.sys issue. But so far none of the computer users have the luck; this is because the DLL introduced by Program:Win32/Cleanator re-writes usbser.sys and changes usbser.sys registry entries. That is why you see usbser.sys blue screen of death after registry cleanup by Program:Win32/Cleanator.
Q: Can I upgrade USB Modem Driver driver to stop usbser.sys blue screen on my ThinkCentre computer?
A: Updating USB Modem Driver driver is the most used way to solve usbser.sys problem, but it is not a recommended workable solution, especially when there is error in usbser.sys associated file: devobj.dll and VSTAZL6 (VSTAZL6.SYS). To determine if there is problem with both of these 2 files, you can use DLL Suite to scan your computer and check if they are listed in the scan results.
Q: Can I fix and install usbser.sys file manually?
A: The answer is absolutely YES and the whole process is easy. What you need to do is to:
- Retrieve usbser.sys from your system setup disk, another PC running the same system with yours, or through DLL Suite database.
- Save usbser.sys to C:WindowsSystem32System32DriverStoreFileRepositorymdmcpq.inf_amd64_neutral_774523d133de6343
- Type regsvr32 usbser.sys and press Enter in CMD window
Q: Can I use DLL Suite to download usbser.sys file for free?
A: The answer is absolutely YES. DLL Suite not only helps fix usbser.sys problem automatically, but also allows its users to download usbser.sys for free. Since 7/13/2009 5:06:32 PM, a total of 2159645 usbser.sys downloads has been taken by DLL Suite users and 32768 of them chose the paid version to resolve usbser.sys issue automatically. To start usbser.sys download, please download DLL Suite and then take the recommended instruction on the software interface.
How to prevent usbser.sys error?
usbser.sys problems can arise due to many aspects, including Backdoor:Win32/Agent.OY virus infection, malware Program:Win32/Cleanator, antivirus McAfee AntiVirus Plus installation, missing devobj.dll, out-of-date USB Modem Driver driver, etc. To fix and prevent usbser.sys error, you can take the following methods:
- Keep your USB Modem Driver driver up-to-date and all of your DLL versions are correct with DLL Suite. Download DLL Suite
- Clean up invalid registry keys of usbser.sys with UniOptimizer. Download UniOptimizer
- Keep your computer is Backdoor:Win32/Agent.OY and Program:Win32/Cleanator free by using anti-spyware Hit Malware. Download Hit Malware
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