Purpose of Knowledge Article:
- A guide on how to install or uninstall CrowdStrike Falcon from Berkeley Lab computers.
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- If you have Sophos Antivirus on the computer, the CrowdStrike Falcon installer will uninstall it for you.
- If you have Sophos Antivirus on the computer, a restart will be required to finish the Sophos uninstallation process.
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Resolution:
Install CrowdStrike Falcon
Expand the instruction for the operating system you are using:
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| title | CrowdStrike Falcon Install Instruction for Mac |
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| id | Crowdstrike Install macOS |
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| tabLocation | left |
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| label | macOS 12 Monterey & macOS 13 Ventura |
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- Instructions for macOS 12 Monterey and macOS 13 Ventura are essentially the same. The main difference is how they look
- The CrowdStrike Falcon macOS installer is a universal binary and will work on Intel and Apple Silicon (M1, and M2) chipsets
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<iframe src="https://drive.google.com/file/d/1XXQvT4ZTmgNY6knfcspVWyrCBzpjggbQ/preview" width="640" height="480" allow="autoplay"></iframe> |
| 1 | Go to https://software.lbl.gov/swSoftwareDetails.php?applicationID=259 and download CrowdStrike Falcon Sensor for macOS | no image | | 2 | Browse to the location where the file LBL_CS_MacOS_12_13 is downloaded, and right-click on it | | | 3 | Click Open | | 4 | Click Open to the popup saying "macOS cannot verify the developer of LBL_CS_MacOS_12_13. Are you sure you want to open it?" | | | 5 | Click Continue for the "Introduction" and "Read Me" section | | | 6 | Leave the default destination as it is and click Continue Note: if you do not see this screen, continue to the next step | | | 7 | Click Install | | | 8 | Type in your computer password | | | 9 | Click Install Software | | 10 | Click Allow to the popup saying "com.crowdstrike.falcon.app" would like to filter network content" | | | 11 | A "System Extension Blocked" popup will appear, click Open Security Preferences | | | 12 | Select Security & Privacy | | | 13 | Click the Lock icon on the bottom left | | | 14 | Type in your computer password | | 15 | Click Unlock | | 16 | Look for "System software from application "Falcon.app" was blocked from loading", and click Allow | | | 17 | If you are using macOS 13 Ventura, you will see an additional popup saying "Installer would like to modify apps on your mac", click OK | | | 18 | Installation is done. Click Close | | | 19 | You may select Keep or Move to Trash depending on if you want to keep the CrowdStrike Falcon installer file or delete it | | | 20 | If you want to confirm CrowdStrike Falcon is installed and running, see Is CrowdStrike Falcon Running? | no image |
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| title | CrowdStrike Falcon Install Instruction for Windows |
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Instructions for Windows 10 and Windows 11 are essentially the same. The main difference is how they look.
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<iframe src="https://drive.google.com/file/d/189nVO4g-Au8jY4sDcfUMDg-GCdFkqseN/preview" width="640" height="480" allow="autoplay"></iframe> |
| 1 | Go to https://software.lbl.gov/swSoftwareDetails.php?applicationID=259 and download CrowdStrike Falcon Sensor for Windows | no image | | 2 | Browse to the location where the file LBL_CS_Win_Installer_vX.X is downloaded, and double-click on it | | | 3 | You may see the popup"Windows Protected your PC" Click More info If not, skip to Step 5 | | | 4 | Click Run anyway | | | 5 | The pop-up "Do you want to allow this app to make changes to your device?" will appear Click Yes | | | 6 | A command prompt window will appear stating "This may take several minutes. This window will close when the full process is complete" This process will take between 4 to 10 minutes
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During this process, you may see the following notification in the bottom right corner. You can ignore it. 
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| | | 7 | Once the command prompt window disappears. You are done. If you want to confirm CrowdStrike Falcon is installed and running, see Is CrowdStrike Falcon Running? | no image |
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Uninstall CrowdStrike Falcon
Expand the instruction for the operating system you are using:
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| title | CrowdStrike Falcon Uninstall Instruction for Mac |
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| 1 | Launch the Terminal app from the Utilities folder | | | 2 | Run sudo /Applications/Falcon.app/Contents/Resources/falconctl uninstall | | | 3 | Type in your computer password and hit Enter key on your keyboard | | 4 | You will see a confirmation saying "Falcon is uninstalled" | |
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| title | CrowdStrike Falcon Uninstall Instruction for Windows |
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| 1 | Click on the Start Menu icon | | | 2 | Type in Control Panel | | 3 | Click Control Panel | | 4 | Click Programs and Features | | | 5 | Select CrowdStrike Windows Sensor in the list | | | 6 | Click Uninstall | | 7 | The Do you want to allow this app to make changes to your device will pop up Click Yes | | | 8 | Click Uninstall | | | 9 | The uninstallation process will take a moment. When it is done, click Close | |
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