What is 1stbrowser.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 1stbrowser.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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1stbrowser.exe file information

The process known as 1stBrowser belongs to software 1stBrowser by The 1stBrowser Authors.

Description: 1stbrowser.exe is not essential for the Windows OS and causes relatively few problems. The file 1stbrowser.exe is located in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 871,520 bytes (66% of all occurrences) or 857,200 bytes. 
The program has no visible window. The file is not a Windows system file. 1stbrowser.exe is able to manipulate other programs. Therefore the technical security rating is 66% dangerous.

Uninstalling this variant: If you have any problems with 1stbrowser.exe, you can contact Customer Service or completely remove 1stBrowser (Control Panel ⇒ Uninstall a Program).

Recommended: Identify 1stbrowser.exe related errors

Important: Some malware camouflages itself as 1stbrowser.exe. Therefore, you should check the 1stbrowser.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.


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Best practices for resolving 1stbrowser issues

A clean and tidy computer is the key requirement for avoiding problems with 1stbrowser. 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 1stbrowser.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

1stbrowser.exe [all]