If you are unable to update the ESET antivirus application installed on your device, follow the troubleshooting instructions given below and proceed with the same.
As soon as the unable to update error message is displayed, check if your system has enough free space.
If not, delete some unwanted files or folders and then try to perform the update.
If the above troubleshooting method does not resolve the issue, clear the update cache by performing the instructions given below.
Check if your network connection is stable and active.
Now, navigate to the ESET applications home page.
Launch the main program window.
Locate and press the F5 button on your system’s keyboard.
Now the Advanced Setup window will appear.
Locate and expand the Update menu.
Navigate to the Clear Update cache section and click Clear --> OK.
Wait for the on-going clearing process to complete.
Once it is done, click the Update tab followed by Check for Updates.
If the ESET antivirus applications update process is done successfully, then the issue is resolved.
If not, delete the old update files and then try to perform the update.
On the ESET antivirus application’s Advanced Setup screen, locate and expand the Antivirus option.
Choose the HIPS option from the expanded list.
Disable the Enable HIPS & Enable Self-Defense options.
Now, a pop-up dialog box prompting you to restart your computer will appear on the screen.
Click the OK button.
After restarting your system, check if you are able to access or view the hidden files, folder, or internal drives available on your device.
If so, delete the Updfiles, Charon, and emo** folders on your system.
Deleting the Updfiles folders
Launch the My Computer window on your system.
Navigate to the C:\ProgramData\ESET\ESET Endpoint Security\Updfiles\ or ESET Endpoint Antivirus\Updfiles\ section.
Choose all the contents available on this location and tap the Delete button on your system’s keyboard.
Deleting the Charon folders
Navigate to the C:\ProgramData\ESET\ESET Endpoint Security\ or ESET Endpoint Antivirus\Charon location.
Select and delete all the contents in this folder.
Deleting the emo*** folders
Go to the C:\Program Files\ESET\ESET Security\Modules or C:\Program Files\ESET\ESET Endpoint Antivirus\Modules\
Select and right-click on all contents.
Click the Delete option from the context menu.
Now, restart your computer.
After that, navigate to the ESET antivirus main screen and enable the HIPS and HIPS Self-Defence option.
Restart your computer and try to update the ESET antivirus application.
If the ESET antivirus update is done successfully, then the issue is resolved.
If not, click the Call button available on this screen to get remote assistance in resolving this issue.