What is cwbckver.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the cwbckver.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Cwbckver.exe file information

The process known as Service Level Detection or Service Pack Level Detection belongs to software IBM® iSeries™ Access for Windows or IBM® AS/400® Client Access Express for Windows by IBM (

Description: Cwbckver.exe is not essential for Windows and will often cause problems. Cwbckver.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 45,106 bytes (33% of all occurrences), 49,152 bytes, 45,056 bytes or 47,888 bytes. 
The program has a visible window. The application starts when Windows starts (see Registry key: MACHINE\Run). The file is not a Windows system file. Therefore the technical security rating is 22% dangerous, however you should also read the user reviews.

Uninstalling this variant: You could completely remove IBM iSeries Access for Windows or IBM AS/400 Client Access (Control Panel ⇒ Uninstall a Program).

Recommended: Identify cwbckver.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as cwbckver.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the cwbckver.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Part of IBM iSeries Access or the older IBM Client Access. Can be turned off fromr the iSeries Access control panel
Checks for updates on a central AS400/iSeries computer. Standard installation program.

Summary: Average user rating of cwbckver.exe: based on 3 votes with 2 user comments. 2 users think cwbckver.exe is essential for Windows or an installed application. One user thinks cwbckver.exe is dangerous and recommends removing it.

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Best practices for resolving cwbckver issues

A clean and tidy computer is the key requirement for avoiding problems with cwbckver. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the cwbckver.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

cwbckver.exe [all]