What is spPCAct.dll?

SpPCAct.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 spPCAct.dll is a Windows system file or if it belongs to an application that you can trust.

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SpPCAct.dll file information

The process known as PC activity library for auto-locking database belongs to software Sticky Password or Sticky Password FREE or Kaspersky PURE or Kaspersky Password Manager by Lamantine Software a.s ( or Kaspersky Lab (

Description: SpPCAct.dll is not essential for the Windows OS and causes relatively few problems. The spPCAct.dll file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 570,032 bytes (16% of all occurrences), 565,168 bytes and 14 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 certified by a trustworthy company. There is no detailed description of this service. The file is able to record keyboard inputs. It is not a Windows system file. SpPCAct.dll is a Verisign signed file. SpPCAct.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 70% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you encounter difficulties with spPCAct.dll, you can contact Customer Service [1][2], see if there is a newer version [1][2] or 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 spPCAct.dll related errors

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


User Comments

This belongs to Sticky Password by Lamantine Software

Summary: Average user rating of spPCAct.dll: based on 2 votes with 1 user comment. One user thinks spPCAct.dll is essential for Windows or an installed application. One user thinks it's probably harmless.

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Best practices for resolving spPCAct issues

A clean and tidy computer is the key requirement for avoiding problems with spPCAct. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the spPCAct.dll process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

spPCAct.dll [all]