What is spCapBtn.dll?

SpCapBtn.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if spCapBtn.dll is a Windows system file or if it belongs to an application that you can trust.

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SpCapBtn.dll file information

The process known as Caption Button for Sticky Password or Caption Button for Password Manager belongs to software Sticky Password or Kaspersky PURE or Kaspersky Password Manager by Lamantine Software a.s ( or Kaspersky Lab (

Description: SpCapBtn.dll is not essential for the Windows OS and causes relatively few problems. SpCapBtn.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 3,211,776 bytes (17% of all occurrences), 3,224,064 bytes and 18 more variants. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program has no visible window. The file is not a Windows core file. The service has no detailed description. The file has a digital signature. The spCapBtn.dll file is a Verisign signed file. SpCapBtn.dll is able to record keyboard inputs. SpCapBtn.dll is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 63% dangerous.

Uninstalling this variant: If you are having problems with spCapBtn.dll, you may want to do the following:
  • contact Customer Service [1][2]
  • verify that you have installed the latest version [1][2]
  • uninstall Sticky Password or Kaspersky PURE software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7)

Recommended: Identify spCapBtn.dll related errors

If spCapBtn.dll is located in a subfolder of the user's "Documents" folder, the security rating is 32% dangerous. The file size is 1,830,208 bytes. It can change the behavior of other programs or manipulate other programs. The program has no visible window. SpCapBtn.dll is digitally signed. The service has no detailed description. It is not a Windows system file. SpCapBtn.dll is able to record keyboard and mouse inputs and monitor applications.

Important: Some malware camouflages itself as spCapBtn.dll. Therefore, you should check the spCapBtn.dll 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.


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Best practices for resolving spCapBtn issues

A clean and tidy computer is the key requirement for avoiding problems with spCapBtn. 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 spCapBtn.dll 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

spCapBtn.dll [all]