How to Fix League of Legends Error Code 003

League of Legends is undoubtedly a famous online multiplayer game, but many users complain that they face League of Legends error code 003 when they try to log in to the LoL servers. If you want to fix League of Legends error 003 on your Windows 10 PC, you have to know the reasons that cause this problem. This covers all the reasons that cause the problem that helps you understand how to fix error code 003 League of Legends on your Windows 10 PC.

How to Fix League of Legends Error Code 003

Several reasons contribute to League of Legends error code 003 on your Windows 10 PC. Here are a few of them.

• Qhov kev ua si launched tsis muaj txoj cai tswj hwm. Hence, your PC does not allow it to patch.
• Tsis muaj qhov chaw txaus ntawm koj lub PC. Patching (txoj cai ntawm suav nrog cov lej ntxiv los txhim kho kev ua si) xav tau qee qhov chaw.
• Cov ntaub ntawv installation thiab configuration cov ntaub ntawv ntawm qhov kev ua si yog siab tsis ncaj thiab yuav tsum tau hloov.
• Cov neeg siv khoom ua si yog siab tsis ncaj los yog tawg ntawm koj lub PC.
• Lub overprotective antivirus program lossis firewall yog thaiv qhov kev ua si.
• outdated Windows 10 operating system and network drivers.
• muaj no stable internet connection to launch and play the game.
• Tej zaum yuav muaj misconfigured game installation files.
• Nws tuaj yeem yog vim tsis tsim nyog network settings and DNS address configurations.

Continue reading this article to fix League of Legends error 003.

Txoj Kev 1: Cov kauj ruam daws teeb meem yooj yim

Firstly let us perform some of basic methods to solve the error.

1A. Restart PC

The general trick to resolve all the temporary glitches associated with League of Legends is to restart your computer. You can restart your PC by following the steps as instructed in our guide 6 Ways to Reboot or Restart a Windows 10 Computer.

1B. Monitor Server Uptime

Very often, you may face League of Legends error code 003 due to problems from the server side. To check whether the server is offline or it has some technical problems, follow the below-mentioned steps.

1. Mus ntsib tus nom Riot server status update page.

2. Ces, scroll down thiab xaiv Pab Koomtes ntawm Legends.

3. Ces, xaiv koj Thaj Tsam thiab Lus mus ntxiv.

On the next page, you can see any notifications for server-end errors. If there are any, you have to wait until they are resolved.

Kuj nyeem: Txhim kho League of Legends yuam kev Code 900 ntawm Windows 10

1C. Re-sign into Game

Koj tuaj yeem kho qhov kev sib tham yuam kev los ntawm kev kos npe tawm ntawm qhov kev ua si ua ntej cov lus yuam kev tshwm sim. Koj tuaj yeem tos ib pliag lossis rov pib koj lub computer. Tom qab ntawd, kos npe rov qab raws li qhia hauv qab no.

1. When you are in the game, press Alt + F4 yuam sij.

2. Tam sim no, nyem rau Sau npe tawm.

3. Tawm qhov kev ua si thiab pib dua koj lub PC.

4. Ntaus koj cov ntawv pov thawj and log in to the game again.

1D. Troubleshoot Internet Connection

There may be some network or bandwidth issues that reduce your internet speed and disrupt your connection. Make sure your connection is stable and has good speed. Visit the Speedtest site and run speed test to check your speed. To resolve this error, you must have a connection speed of at least 5-10 MBPS. Follow our guide to troubleshoot network connectivity on Windows 10.

1 E. Teem kom tsim nyog Hnub & Sijhawm Chaw

Incorrect date and time settings in your computer may contribute to League of Legends error code 003 on Windows PC. To sync the date, region, and time settings in your Windows 10 computer, follow the below-listed instructions.

1. Nias lub Windows + I keys ua ke qhib Qhov Chaw Xaiv Lub Chaw.

2. Tam sim no, xaiv cov Sijhawm & Lus kev xaiv raws li qhia.

3. Tom ntej no, nyob rau hauv lub Hnub Tim & sijhawm tab, xyuas kom meej ob qhov tseem ceeb Teem lub sijhawm cia thiab Teeb lub sijhawm ua haujlwm tau kev xaiv yog togged rau.

4. Ces, nyem rau Sync tam sim no raws li tau hais tseg saum toj no. Xyuas seb qhov teeb meem puas daws tau lossis tsis tau.

Kuj nyeem: Yuav ua li cas rho tawm koj tus account Riot

1 F. Kaw tag nrho cov txheej txheem keeb kwm yav dhau

Yog tias muaj ntau cov txheej txheem keeb kwm yav dhau los ntawm koj lub Windows 10 PC, koj tsis tuaj yeem nkag mus rau koj lub network txuas tau yooj yim, vim tias tag nrho cov haujlwm no yuav ua rau muaj feem ntawm lub network. Tsis tas li ntawd, kev siv RAM yuav ntau dua thiab qhov ua tau zoo ntawm qhov kev ua si yuav qeeb pom meej.

Ua raws li peb cov lus qhia Yuav Ua Li Cas Xaus Ua Haujlwm hauv Windows 10 kom kaw tag nrho lwm cov txheej txheem keeb kwm yav dhau ntawm koj Windows 10 PC.

Tom qab kaw tag nrho cov txheej txheem keeb kwm yav dhau, xyuas seb qhov kev sib tham yuam kev hauv Pab Koomtes ntawm Legends tau kho lossis tsis.

1G. Update Windows OS

All the bugs and erroneous patches in your computer can be fixed by Windows update. Microsoft releases frequent updates to fix all these problems.

Li no, xyuas kom tseeb tias koj tab tom siv qhov hloov tshiab ntawm Windows Operating System thiab yog tias muaj kev hloov tshiab tseem tab tom ua, siv peb phau ntawv qhia Yuav ua li cas rub tawm thiab nruab Windows 10 Hloov tshiab tshiab

After updating your Windows Operating System, check if you are able to fix League of Legends Error code 003.

1 H. Hloov tshiab Network Drivers

If you want to enjoy any games without any errors, your drivers must be in a perfect state. If the drivers are outdated or faulty, make sure you update them. You can search for the newest releases of drivers from its official websites, or you can update them manually.

Follow our guide on How to Update Network Adapter Drivers on Windows 10 to update your driver and check if you have fixed the discussed issue in LoL.

Kuj nyeem: Txhim kho League of Legends yuam kev 004 hauv Windows 10

1 I. Roll Back Network Drivers

Sometimes, the current version of your network drivers may cause conflicts in your game, and in this case, you have to restore previous versions of installed drivers. This process is called rollback ntawm cov tsav tsheb thiab koj tuaj yeem yooj yim yob rov qab koj lub khoos phis tawj tsav tsheb mus rau lawv lub xeev dhau los los ntawm kev ua raws li peb phau ntawv qhia Yuav ua li cas rau Rollback Tsav Tsheb ntawm Windows 10.

1 J. Reinstall Network Drivers

If you do not know how to fix error code 003 League of Legends after updating your network drivers, then reinstall the drivers to fix any incompatibility issues. There are several ways to reinstall drivers on your computer. Yet, you can easily reinstall network adapter drivers as instructed in our guide How to Uninstall and Reinstall Drivers on Windows 10.

After reinstalling network drivers, check if you can access League of Legends without any errors.

1k ua. Disable Antivirus Temporarily ( if applicable)

One other possible reason that causes the discussed issue is your security suite. When your antivirus programs detect LoL files and folders as a threat, you will face several conflicts. So, read our guide on How to Disable Antivirus Temporarily on Windows 10 and follow the instructions to disable your antivirus program temporarily on your PC.

After you fix League of Legends error code 003 on your Windows 10 PC, make sure to re-enable the antivirus program since a computer without a security suite is always a threat.

Kuj nyeem: Kho Avast Blocking League of Legends (LOL)

1L. Disable Windows Defender Firewall

Qee lub sij hawm, Windows Defender Firewall hauv koj lub computer tuaj yeem tiv thaiv qhov kev ua si los ntawm kev qhib vim qee qhov laj thawj kev nyab xeeb. Yog tias koj tsis paub yuav ua li cas lov tes taw Windows Defender Firewall, mus rau hauv peb phau ntawv qhia Yuav Ua Li Cas Disable Windows 10 Firewall, thiab ua raws li cov lus qhia tau muab.

Koj tuaj yeem ua raws li phau ntawv qhia no tso cai lossis Thaiv Apps los ntawm Windows Firewall kom tso cai rau lub app.

Nco ntsoov ua kom lub Firewall suite dua tom qab kho qhov teeb meem hauv LoL raws li lub khoos phis tawj tsis muaj firewall program yog kev hem thawj.

Txoj Kev 2: Khiav Pab Koomtes ntawm Legends ua tus thawj coj

Txhawm rau zam League of Legends yuam kev Code 003 ntawm koj lub khoos phis tawj Windows 10, khiav League of Legends ua tus thawj coj raws li qhia hauv qab no.

1. Txoj cai-nias rau ntawm Pab Koomtes ntawm Legends shortcut ntawm lub desktop lossis mus rau qhov chaw installation directory thiab txoj nyem rau nws.

2. Tam sim no, xaiv cov Properties kev xaiv.

3. Tom qab ntawd, hloov mus rau lub compatibility tab thiab kos lub thawv Khiav txoj haujlwm no ua tus tswj hwm.

4. Thaum kawg, nyem rau ntawm thov thiab OK kom txuag tau qhov kev hloov.

Method 3: Delete LoL_air_client Folder in File Explorer (If Applicable)

Lwm txoj hauv kev yooj yim los txhim kho Pab Koomtes ntawm Legends yuam kev 003 yog tshem tawm cov ntawv tshwj xeeb hauv File Explorer. Qhov no tshem tawm cov khoom tsis raug hauv koj Windows 10 cuam tshuam nrog kev ua si. Nov yog ob peb kauj ruam los rho tawm cov ntawv tais ceev tseg.

1. Ntaus lub Windows + E cov yuam sij ua ke qhib Cov ntaub ntawv Explorer.

2. Tam sim no, mus rau qhov chaw hauv qab no thiab qhib nws.

C:Riot GamesLeague of LegendsRADSprojects 

Nco ntsoov: Koj tuaj yeem pom lol_air_client nplaub tshev hauv qee qhov chaw thiab. Them me ntsis ntxiv rau kev nrhiav cov ntawv tais ceev tseg.

3. Tam sim no, right-click rau ntawm lol_air_client folder thiab nyem rau ntawm Rho tawm kev xaiv.

Thaum koj tau deleted lub nplaub tshev, pib dua koj lub computer thiab xyuas seb koj puas tau kho qhov teeb meem hauv League of Legends.

Kuj nyeem: Txhim kho League of Legends Directx yuam kev hauv Windows 10

Txoj Kev 4: Tweak File Hosts

If the host file has edited entries of League of Legends, you will face fix League of Legends error 003 issue. Hence, you have to remove the entries to resolve the same. Here are a few instructions to tweak hosts entries.

1. Nias Windows + E cov yuam sij ua ke qhib Cov ntaub ntawv Explorer.

2. Tam sim no, hloov mus rau lub Saib tab thiab kos lub Cov khoom hauv qab lub thawv hauv Qhia / nkaum seem.

3. Now, copy and paste the following path into the navigation Txoj kev of File Explorer.

C: WindowsSystem32driversetc

4. Tam sim no, xaiv thiab right-click rau ntawm fwjchim luj kawg nkaus file thiab xaiv cov Qhib nrog kev xaiv raws li qhia.

5. Tam sim no, xaiv cov Notepad kev xaiv los ntawm cov npe thiab nyem rau ntawm OK raws li tau piav qhia.

6. Tam sim no, tus fwjchim luj kawg nkaus cov ntaub ntawv yuav qhib rau hauv Notepad raws li hauv qab no.

7. Ntxiv kab no 67.69.196.42 l3cdn.riotgames.com ib mus rau hauv qab ntawm cov ntaub ntawv.

8. Tam sim no, txuag cov ntaub ntawv los ntawm txhaj rau Ctrl+ S keys ua ke.

9. Tawm ntawm Notepad thiab xyuas seb koj puas tau kho qhov teeb meem sib tham.

Txoj Kev 5: Clear DNS Cache & Cov Ntaub Ntawv

Tsawg tus neeg siv tau hais tias tshem tawm DNS cache thiab cov ntaub ntawv ntawm koj lub PC tau pab lawv txhim kho kev sim koom nrog cov kab ua tsis tiav. Ua raws li cov lus qhia.

1. Ntaus lub Windows qhov tseem ceeb thiab hom ua cmd. Tom qab ntawd, nyem rau Qhib.

2. Tam sim no, ntaus cov hauv qab no lus txib ib ntawm ib. Ntaus Sau tus yuam sij tom qab txhua nqe lus txib.

ipconfig / flushdns
ipconfig/registerdns
ipconfig / tso tawm
ipconfig / txuas ntxiv
netsh winsock pib dua

3. Tos rau cov lus txib kom ua tiav thiab pib dua koj lub PC.

Kuj nyeem: Kho Pab Koomtes ntawm Legends Suab Teeb Meem

Txoj Kev 6: Clear Drive Space

If your PC does not have any drive space to install any new patches from the game, you cannot fix League of Legends error code 003. Hence, firstly check the drive space and clean the temporary files if necessary. To check the drive space in your Windows 10 PC, check the disk space under Devices thiab tsav tsheb as shown. If they are in red, it indicates the minimum available space.

If there is minimum available space in your computer contributing to the discussed problem, follow our guide 10 Ways to Free Up Hard Disk Space On Windows, which helps you clear all unnecessary files in your computer.

Txoj Kev 7: Hloov DNS Chaw Nyob

Several users have suggested that switching to Google DNS addresses may help you fix League of Legends error 003. If you launch the game properly and face an error prompt, follow our guide to change the DNS address. This will help you fix all DNS (Domain Name System) problems so you can launch the game without any hustles.

After changing your DNS address, check if you can launch LoL without an error screen.

Txoj Kev 8: Siv Virtual Private Network

Still, if you are unable to fix your problem, you can try using Virtual Private Network. It ensures to keep your connection is more private and encrypted. You can change the geographic region with the help of VPN settings so you can fix the discussed issue easily. Although there are so many free VPNs available over the internet, you are advised to use a reliable VPN service to enjoy premium versions and features.

Ua tib zoo saib ntawm peb phau ntawv qhia Dab tsi yog VPN thiab nws ua haujlwm li cas? Yog xav paub ntxiv txog Virtual Private Limited.

If you are confused about how to set up a VPN on your Windows 10 computer, follow our guide on How to set up a VPN on Windows 10 and implement the same.

Thaum koj tau teeb tsa VPN txuas, xyuas seb koj puas tau kho qhov teeb meem sib tham.

Kuj nyeem: Kho Pab Koomtes ntawm Legends Dub Screen hauv Windows 10

Txoj Kev 9: Pib dua Network Chaw

Several users have declared that resetting network settings will resolve strange network connection issues. This method will forget all the network configuration settings, saved credentials, and a lot more security software like VPN and antivirus programs.

Txhawm rau ua li ntawd, ua raws li peb cov lus qhia ntawm Yuav Ua Li Cas Rov Pib Network Chaw ntawm Windows 10

Txoj Kev 10: Reinstall Game

Any misconfigured files in League of Legends will lead to an error code 003 League of Legends issue even if you have followed all the above-discussed methods and updated all the pending actions. So, in this case, you have no other option than to reinstall the game. The game is tied up with your account and when you reinstall the game, you will not lose your progress. Here is how to reinstall League of Legends.

1. Ntaus lub Windows qhov tseem ceeb thiab hom apps thiab nta. Ces, nias rau Qhib.

2. Scroll cia thiab nyem rau ntawm Pab Koomtes ntawm LegendsCov. Tom qab ntawv, xaiv uninstall.

3. Yog tias koj raug ceeb toom, rov nyem rau uninstall.

4. Tam sim no, nyem rau ua li cas.

5. Ntaus lub Windows qhov tseem ceeb, hom % localappdata% thiab nias rau Qhib.

6. Ob npaug nias rau Ua Si qhib lub nplaub tshev.

7. Tam sim no, right-click rau ntawm Nruab League of Legends euw nplaub tshev thiab xaiv Rho tawm.

8. Nias lub Windows qhov tseem ceeb, hom % appdata thiab nias qhov Sau tus yuam sij.

9. Rho tawm cov Pab Koomtes ntawm Legends folder li ua yav tas los.

10. Tam sim no, reboot lub PC.

11. Ces, mus rau lub Pab Koomtes ntawm Legends official lub website download page thiab nyem rau ntawm Ua si dawb kev xaiv.

12. Ntaus koj email chaw nyob thiab nias rau PIB.

13. Xaiv koj li Hnub yug in the next step and click on TOM NTEJ.

14. Now, fill in the USERNAME, PASSWORD, and CONFIRM PASSWORD teb.

15. Check the option I agree to the Terms of Service and I have read and acknowledge the Privacy Notice.

16. Ces, nyem rau TOM NTEJ.

17. Tam sim no, nyem rau ntawm qhov DOWNLOAD RAU WINDOWS khawm.

18. Nyem ntawm qhov downloaded installer file to install and run the game.

19. Nyem ntawm qhov Nruab khawm hauv qhov hais kom ua.

20. Finally, relaunch the kev ua si and now you will have a fix for the discussed issue.

Nco ntsoov: Ntau tus neeg siv thiab cov rooj sib tham hauv online tau tshaj tawm tias rov nruab qhov kev ua si nrog Hextech Kho cuab yeej pab kho qhov yuam kev. Mus saib lub official Hextech Repair tool site thiab rub tawm qhov program. Nws yog dawb xwb, li no thaum koj nruab thiab tso lub cuab tam, koj yuav pom ib qho kev xaiv rau reinstall qhov kev ua si. Ua raws li cov lus qhia txhawm rau kho qhov teeb meem.

pom zoo:

Peb cia siab tias phau ntawv qhia no yuav pab tau thiab koj tuaj yeem kho League of Legends error code 003 on your device. Let us know what you want to learn about next. Also, if you have any queries/suggestions regarding this article, then feel free to drop them in the comments section.