Most antivirus programs identify lspool.exe as malware—for example Symantec identifies it as Trojan.Gen or WS.Reputation.1, and TrendMicro identifies it as TROJ_SCAR.AP or TROJ_SPNR.08FD11.
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Description: Lspool.exe is not essential for Windows and will often cause problems. The lspool.exe file is located in a subfolder of the user's profile folder.
Known file sizes on Windows 10/8/7/XP are 127,488 bytes (22% of all occurrences), 128,512 bytes and 5 more variants.
There is no information about the author of the file. The program is not visible. The program starts when Windows starts (see Registry key: Run, MACHINE\Run). The lspool.exe file is not a Windows core file. Lspool.exe is able to monitor applications and manipulate other programs. Therefore the technical security rating is 64% dangerous, however you should also read the user reviews.
Recommended: Identify lspool.exe related errors
If lspool.exe is located in a subfolder of "C:\Program Files", the security rating is 60% dangerous. The file size is 933,888 bytes (25% of all occurrences), 205,824 bytes, 905,216 bytes or 802,816 bytes. The program is not visible. The file is not a Windows core file. The process has no file description. The software is loaded during the Windows boot process (see Registry key: Run, MACHINE\Run). Lspool.exe is able to monitor applications and manipulate other programs.
Important: You should check the lspool.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.
The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active lspool process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the lspool.exe on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. 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.