Suffering from the Epic Online Services failed to install issue on your gadget?
Keep reading and attempt to patch up the issue with the detailed guide!
However, plenty of people report that they cannot install Epic Online Services due to the EOS-ERR-1603 error.
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We have compiled some proven solutions in the following content.
Here are 3 possible ways for you.
Way 1.

Without appropriate rights, you cant install Epic Online Services successfully.
In this case, give the full permission for the current installed folder to fix this error.
Find the Epic Games folder viaC:\Program Files (x86)\Epic Games.
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Right-select it and chooseProperties.
Change to theSecuritytab and click theEditbutton.
Choose the current account in theGroup or user namessection, and then tick theFull controloption under theAllowcolumn.
ClickApplyto confirm your changes.
Afterward, attempt to reinstall Epic Online Services.
Way 2.
In this case, manually creating the corresponding folder can fix Epic Games EOS-ERR-1603.
PressWin + Eto open File Explorer on your setup.
Navigate to the installation path.
If you havent changed the installation destination, go toC:\Program Files (x86)\Epic Games.
Under this folder, right-hit the blank space and chooseNew > Folderto create a new one.
Rename the folder toEpic Online Services.
Under the Epic Games folder, head toLauncher > Portal > Extras > EOS.
it’s crucial that you executeEpicOnlineServices.msito install Epic Online Services.
Way 3.
Download Epic Online Services in Games
Step 1.
Find Fall Guys in Epic Games.
If you dont have this game, just download and install it.
Browse the file list to find and open theEpicOnlineServicesfolder.
Right-hit theWindowsicon to chooseTask Manager.
Then, right-select theEpic Games Launchertask and chooseEnd task.
This method is also available in Steam.
you’ve got the option to download Fall Guys on Steam and run this game directly.
Epic Online Services will be installed automatically.
The installed EOS is located in the Epic Games folder in the C drive by default.
Way 4.
TypeControl Panelinto the Windows Search bar and pressEnterto open it.
ClickUninstall a programunder theProgramssection.
You should find and right-hit theEpic Games Storeto chooseUninstall.
After uninstallation, initiate the Microsoft Store to reinstall the Epic Games Store.
Final Words
In fact, EOS-ERR-1603 is not a rare problem.
The above solutions are proven by several people.
you’re able to try them one by one to find one that works on your case.
Hope there is any useful information for you.