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How to uninstall 1stBrowser from your PC

1stBrowser is a Windows application. Read below about how to uninstall it from your PC. It was created for Windows by Sien S.A.. More information on Sien S.A. can be found here. 1stBrowser is typically installed in the C:\Users\UserName\AppData\Local\1stBrowser\Application folder, however this location may differ a lot depending on the user's choice when installing the application. The full command line for uninstalling 1stBrowser is C:\Users\UserName\AppData\Local\1stBrowser\Application\45.0.2454.171\Installer\setup.exe. Keep in mind that if you will type this command in Start / Run Note you may get a notification for admin rights. The application's main executable file is labeled 1stbrowser.exe and its approximative size is 852.13 KB (872576 bytes).

1stBrowser contains of the executables below. They occupy 8.97 MB (9409128 bytes) on disk.




  • 1stbrowser.exe (852.13 KB)
  • crash_service.exe (322.63 KB)
  • old_chrome.exe (852.12 KB)
  • delegate_execute.exe (620.63 KB)
  • nacl64.exe (2.04 MB)
  • setup.exe (870.11 KB)
  • delegate_execute.exe (620.64 KB)
  • nacl64.exe (2.04 MB)
  • setup.exe (870.12 KB)
...click to view all...

The information on this page is only about version 45.0.2454.171 of 1stBrowser. You can find below info on other application versions of 1stBrowser:

...click to view all...
1stBrowser has the habit of leaving behind some leftovers.

You should delete the folders below after you uninstall 1stBrowser:
  • C:\Users\%user%\AppData\Local\1stBrowser
  • C:\Users\%user%\AppData\Local\Packages\Microsoft.MicrosoftOfficeHub_8wekyb3d8bbwe\LocalCache\Local\1stBrowser
  • C:\Users\%user%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\1stBrowser

Generally, the following files are left on disk:
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\1stbrowser.exe
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\45.0.2454.160.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\45.0.2454.161.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\45.0.2454.162.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\45.0.2454.163.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\45.0.2454.166.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\45.0.2454.167.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\chrome.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\chrome_100_percent.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\chrome_200_percent.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\chrome_child.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\chrome_watcher.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\d3dcompiler_47.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\delegate_execute.exe
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Extensions\external_extensions.json
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\icudtl.dat
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Installer\setup.exe
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\libegl.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\libexif.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\libglesv2.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\am.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\ar.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\bg.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\bn.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\ca.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\cs.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\da.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\de.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\el.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\en-GB.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\en-US.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\es.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\es-419.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\et.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\fa.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\fi.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\fil.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\fr.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\gu.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\he.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\hi.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\hr.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\hu.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\id.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\it.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\ja.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\kn.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\ko.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\lt.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\lv.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\ml.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\mr.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\ms.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\nb.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\nl.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\pl.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\pt-BR.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\pt-PT.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\ro.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\ru.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\sk.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\sl.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\sr.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\sv.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\sw.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\ta.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\te.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\th.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\tr.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\uk.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\vi.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\zh-CN.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\Locales\zh-TW.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\metro_driver.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\nacl_irt_x86_32.nexe
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\nacl_irt_x86_64.nexe
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\nacl64.exe
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\natives_blob.bin
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\PepperFlash\manifest.json
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\PepperFlash\pepflashplayer.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\resources.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\secondarytile.png
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\snapshot_blob.bin
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\VisualElements\logo.png
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\VisualElements\smalllogo.png
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\VisualElements\splash-620x300.png
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.167\widevinecdmadapter.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\45.0.2454.160.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\45.0.2454.161.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\45.0.2454.162.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\45.0.2454.163.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\45.0.2454.166.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\45.0.2454.167.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\45.0.2454.169.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\45.0.2454.170.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\45.0.2454.171.manifest
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\chrome.dll
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\chrome_100_percent.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\chrome_200_percent.pak
  • C:\Users\%user%\AppData\Local\1stBrowser\Application\45.0.2454.171\chrome_child.dll

Registry keys:
  • HKEY_CLASSES_ROOT\1stBrowser.QT4WPQB6COXHMN65SZCYUAUHSM
  • HKEY_CURRENT_USER\Software\1stbrowser
  • HKEY_CURRENT_USER\Software\Clients\StartMenuInternet\1stBrowser.QT4WPQB6COXHMN65SZCYUAUHSM
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\1stBrowser
  • HKEY_LOCAL_MACHINE\Software\Microsoft\RADAR\HeapLeakDetection\DiagnosedApplications\1stbrowser.exe
  • HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\MediaPlayer\ShimInclusionList\1stbrowser.exe

Additional registry values that you should clean:
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\State\UserSettings\S-1-5-21-2417889127-3426162230-603367971-1001\\Device\HarddiskVolume4\Users\UserName\AppData\Local\1stBrowser\Application\1stbrowser.exe
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\bam\UserSettings\S-1-5-21-2417889127-3426162230-603367971-1001\\Device\HarddiskVolume4\Users\UserName\AppData\Local\1stBrowser\Application\1stbrowser.exe


A way to uninstall 1stBrowser with Advanced Uninstaller PRO

1stBrowser is a program released by the software company Sien S.A.. Frequently, users decide to erase this application. This can be efortful because uninstalling this by hand requires some know-how regarding removing Windows applications by hand. One of the best QUICK solution to erase 1stBrowser is to use Advanced Uninstaller PRO. Here is how to do this:





1. If you don't have Advanced Uninstaller PRO already installed on your system, install it. This is good because Advanced Uninstaller PRO is the best uninstaller and general utility to take care of your system.

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  • visit Download Link
  • download the setup by pressing the green DOWNLOAD NOW button
  • set up Advanced Uninstaller PRO
2. Start Advanced Uninstaller PRO. Take your time to get familiar with Advanced Uninstaller PRO's interface and wealth of tools available. Advanced Uninstaller PRO is a very useful Windows tool.

3. Press the General Tools button
Go to General Tools


4. Click on the Uninstall Programs tool
Go to Uninstall Programs


5. A list of the programs existing on the PC will be shown to you

6. Navigate the list of programs until you locate 1stBrowser or simply click the Search feature and type in "1stBrowser". The 1stBrowser program will be found automatically. When you select 1stBrowser in the list of applications, some information regarding the application is shown to you:


  • Star rating (in the left lower corner). This tells you the opinion other people have regarding 1stBrowser, from "Highly recommended" to "Very dangerous".
  • Opinions by other people - Press the Read reviews button.
  • Technical information regarding the application you wish to remove, by pressing the Properties button.
7. Press the Uninstall button. A confirmation dialog will come up. Confirm the removal by pressing Uninstall. Advanced Uninstaller PRO will uninstall 1stBrowser.
Uninstall 1stBrowser


8. After uninstalling 1stBrowser, Advanced Uninstaller PRO will ask you to run an additional cleanup. Press Next to perform the cleanup. All the items of 1stBrowser which have been left behind will be found and you will be able to delete them. By removing 1stBrowser using Advanced Uninstaller PRO, you can be sure that no Windows registry items, files or folders are left behind on your disk.

Your Windows computer will remain clean, speedy and able to serve you properly.

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Disclaimer

This page is not a recommendation to remove 1stBrowser by Sien S.A. from your PC, nor are we saying that 1stBrowser by Sien S.A. is not a good application for your PC. This page only contains detailed info on how to remove 1stBrowser in case you decide this is what you want to do. Here you can find registry and disk entries that our application Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.

2016-11-17 / Written by Daniel Statescu for Advanced Uninstaller PRO

follow @DanielStatescu
Last update on: 2016-11-17 20:26:41.620