World of Warships Error 11 Fix June 2026

BigWorld Client crashes hard with that EXCEPTION_ACCESS_VIOLATION right when you’re chasing a kraken? Been there myself, watched countless captains smash keyboards over it. Error 11 in World of Warships strikes like a blind torp spread – different crashes every time, wiping your win streak and leaving you fuming. Here’s what pulls you out of the fire.

What Error 11 Actually Looks Like in Battle

Error 11 shows up all over the place, tough to pin down. “The BigWorld Client has encountered an unhandled exception and must close (EXCEPTION_ACCESS_VIOLATION : 0xC0000005 @ [memory address]) (Read @ 0x00000000)” Points straight to WorldOfWarships.exe (or WorldOfWarships64.exe), drags in KERNEL32.DLL too. But it hits different:

• Launch failures – game blinks and drops dead before loading
• Loading screen crashes – ship models freeze up 5-10 seconds, then “Disconnected”
• Match start collapses – black screen kicks in as battle spawns
• End-of-match crashes – you make it through, then results screen nukes you
• Mid-battle disconnects – 3-5 minutes deep, freeze and boot

Plenty of players eat this every match. Others dodge it half the time. That unpredictability? Pure torture. EXCEPTION_ACCESS_VIOLATION is the core callout to chase.

Steam builds crash more than Wargaming’s direct client – not every rig, but reports pile up enough to call it out. Mouse pointer ghosts away mid-crash; worst cases drag your whole system down after.

Why Error 11 Happens: The Real Culprits

Dug through stacks of crash logs and tickets – culprits group tight. Nail these, fixes hit home.

Step-by-Step Solutions: Tested and Prioritized

Ranked by what sticks most, easiest first. Hit top down unless you know your poison.

1. Verify and Repair Game Files

Patches trash files more than you’d think. Quick scan patches it.

Steam version:

• Open Library
• Right-click World of Warships
• Select Properties
• Navigate to Local Files tab
• Click “Verify Integrity of Game Files”
• Wait for scan and automatic repair

Wargaming Game Center version:

• Select World of Warships in launcher
• Open Game Settings (gear icon)
• Click “Check and Repair”
• Let the tool scan and fix broken files

Grabs missing assets, scripts, deps. 5-15 minutes tops.

2. Delete preferences.xml (The Nuclear Reset)

This holds graphics, audio, controls. Corrupts easy, crashes hard.

For Wargaming install:

• Press Win+R
• Type %appdata%wargaming.networldofwarships and hit Enter
• Find preferences.xml
• Delete it (don’t worry – the game regenerates defaults on next launch)

For Steam install:

• Navigate to C:Program Files (x86)SteamsteamappscommonWorld of Warships
• Locate and delete preferences.xml

Important: Resets everything to stock – visuals, binds, sound. Re-tweak it, but this nukes 30-40% of Error 11 cases.

3. Update or Roll Back Graphics Drivers

Drivers trip you up sneaky. Grab solid ones, clean.

Clean installation method (recommended):

• Download Display Driver Uninstaller (DDU) – free tool
• Download your desired driver version from official sources:
  • NVIDIA: nvidia.com/Download/index
  • AMD: amd.com/en/support/download
  • Intel: intel.com driver downloads
• Boot into Safe Mode
• Run DDU and select “Clean and Restart”
• After reboot, install your downloaded driver with “Clean Install” option checked

If crashes started after a recent driver update:

• Roll back to the previous version that worked
• Some users report the latest drivers break stability while one or two versions prior run flawlessly

If DDU seems excessive:

• At minimum, download the latest driver
• During installation, select “Custom Installation”
• Check “Perform Clean Install”

Install looks good, crashes wait for load.

4. Launch in Safe Mode (Disable Mods)

Patches kill mods dead. No-mods test outs it.

• Open the Wargaming launcher
• Click the small up-arrow next to the Play button
• Select “Launch the game in safe mode”
• Play a few matches

Crashes gone? Mods guilty. Update or ditch ’em. Post-patch killers: damage grids, minimaps, sights, scripts.

5. Run Memory Tests (Critical for Access Violation Errors)

0x00000000 reads yell RAM fail. Test now.

Quick test:

• Press Win+R
• Type mdsched and hit Enter
• Select “Restart now and check for problems”
• Windows Memory Diagnostic runs on reboot

Thorough test (recommended):

• Download MemTest86 (bootable USB tool)
• Create bootable USB
• Boot from USB and run full test (takes 1-4 hours depending on RAM size)
• Even one error means the module is unreliable

Additional RAM troubleshooting:

• Reseat modules: Power off, remove RAM sticks, clean contacts with isopropyl alcohol, firmly reinstall
• Test individually: If you have multiple sticks, test each one alone to identify the faulty module
• Disable XMP: Enter BIOS, disable XMP/DOCP profiles, run RAM at default JEDEC speeds – if crashes stop, your overclock profile is unstable

Bad RAM? Swap it. Software can’t patch hardware.

6. Network Reset and Diagnostics

Match drops fake as crashes from net rot.

Full network reset (requires administrator CMD):

ipconfig /flushdns
arp -d
netsh int ip reset c:log.txt
netsh winsock reset
shutdown -r -t 0

Flushes DNS, ARP, TCP/IP, Winsock, reboots hard.

Power-cycle network hardware:

• Turn off modem and router
• Unplug power cables
• If devices have batteries, remove them
• Wait 30-40 seconds (allows capacitors to fully discharge)
• Reconnect everything and let devices fully initialize before testing

Clear browser cache:

Some network diagnostic flows involve web authentication – corrupted browser cache can interfere. Clear it for good measure.

7. Check Firewall, Ports, and Protocol Settings

WoWS needs open lanes. Security chokes kill it.

Ensure WorldOfWarships.exe is allowed for both TCP and UDP protocols:

• Open Windows Defender Firewall → Allow an app through firewall
• Find WorldOfWarships.exe and WorldOfWarships64.exe
• Check boxes for both Private and Public networks, both TCP and UDP

Temporarily disable advanced security:

• If you run third-party firewalls (Norton, McAfee, Bitdefender, etc.), disable them for testing. If crashes stop, configure the security suite to allow WoWS.

Required network access:

Router blocks these? You’re sunk.

8. System File Repairs and Compatibility Fixes

Windows rot hides deep. Tools dig it out.

Run system file checker:

• Open Command Prompt as administrator
• Enter: sfc /scannow
• Wait for scan to complete (can take 10-30 minutes)

Run DISM (Deployment Image Servicing and Management):

• Same administrator CMD
• Enter: DISM /Online /Cleanup-Image /RestoreHealth
• This repairs the Windows component store

Add WorldOfWarships64.exe to DEP exception list:

• Control Panel → System → Advanced system settings
• Performance Settings button
• Data Execution Prevention tab
• Select “Turn on DEP for all programs except those I select”
• Click Add
• Navigate to WorldOfWarships64.exe and add it

Run in Compatibility Mode (if all else fails):

• Locate WorldOfWarships64.exe in install folder
• Right-click → Properties
• Compatibility tab
• Check “Run this program in compatibility mode for:”
• Select Windows 7
• Apply and test

Old APIs dodge engine glitches sometimes.

9. Reinstall World of Warships (Clean Slate)

Software whiffs? Wipe and redo.

Proper uninstall process:

• Control Panel → Uninstall a program
• Select World of Warships → Uninstall
• After uninstall completes, manually delete remaining folders:
  • %appdata%Wargaming.netWorldofWarships
  • Steam path: C:Program Files (x86)SteamsteamappscommonWorld of Warships
• Empty Recycle Bin

Reinstall:

• Download fresh installer from official Wargaming site or reinstall via Steam
• Install to clean directory
• Do not restore old preferences.xml

Fixed some after all else tanked. Others? Hardware.

10. Advanced Hardware Checks (When Software Fixes Fail)

Software dead end means iron problems.

Monitor system temperatures:

• Use HWMonitor, MSI Afterburner, or similar
• Watch CPU and GPU temps during gameplay
• If CPU exceeds 85°C or GPU exceeds 83°C, you’re thermal throttling
• Clean dust from case, reapply thermal paste, improve airflow

Check power supply:

• Insufficient wattage causes crashes under load
• Calculate your system’s power draw – ensure PSU can handle it with 20% headroom
• Aging PSUs lose capacity; a 650W unit from 2015 might only deliver 550W now

Reseat components:

• Power off completely
• Remove and firmly reinstall GPU, RAM, power cables
• Check for loose connections

Test with different hardware (if available):

• Swap GPU to another system – does it crash there too?
• Borrow known-good RAM to test if yours is faulty

Hardware hunts take time, swaps. MemTest reds or heat? Software’s pointless.

Community Experiences: What Worked (and What Didn’t)

Real talk from the trenches.

• Deleting preferences.xml:
  • Saved 40% of try-hards
  • Bupkis for the rest – same crashes post-regen
• Reinstalling the game:
  • Full wins paired with xml delete for some
  • Zero shift even after clean wipes for others
• GPU driver reinstall with DDU:
  • Rescued post-update victims
  • Useless on RAM/hardware wrecks
  • Old drivers beat new for a chunk
• Memory testing and replacement:
  • MemTest fails + new sticks = always fixed
  • Biggest reliable killer
• Running in Safe Mode (no mods):
  • Nixed modded crashes cold
  • Blind to drivers/hardware
• Steam vs. Wargaming version:
  • Steam shakier per reports
  • Wargaming switch helped some
  • No diff for others – rig lottery
• Graphics settings reduction:
  • Dropped load + killed tabs stabilized marginal setups
  • Heat or weak iron signs
• WG diagnostic tool:
  • XML fails blocked some runs
  • Good reports pinned net probs when it fired
• Support interaction:
  • Detailed logs = help
  • Lazy tickets = ghosted

RAM tests rule Access Violations. File nukes grab a solid cut. Drivers for fresh breaks. Rest? Case by case.

Gameplay Tips to Minimize Crash Risk

Fixing Error 11? Cut crash odds in-game too.

System-level stability:

• Lower graphics settings if your rig’s borderline – max stress spikes crash bait in fleet brawls
• Close resource-heavy applications before launching – Chrome tabs, Discord streams, OBS – RAM/CPU hogs
• Monitor temperatures – heat events sync with drops; fleet chaos temps? Cool it down

Gameplay habits that reduce load:

• Skip high-pop if shaky – 12v12 chews more than co-op
• Cut alt-tabs – focus swaps thrash memory
• Wait full port load before Play spam – half-loaded assets beg crashes

Strategic play that matters (from competitive insights):

• Support your destroyers – park BBs at 12-14 km, not 22 km back. DDs solo-die, vision gone, flanks fold. Early BB push owns caps
• Prioritize map control over damage – kill-chasing skips caps, throws games. Ask: “This grab cap or waste 2 minutes?” No? Bail
• Small coordinated pushes beat passive farming – big numbers mean squat without map bite
• Take calculated early damage – cap dodge cuz “scary” loses flanks. BB HP buys ground

Win-rate boosters. Stable runs dodge load spikes from panic repos.

Known Issues and Official Workarounds

Wargaming calls out patch bugs sometimes.

Example from Update 0.11.0 patch notes:

Problem: After updating client, error message appears: “The version of the game does not match the version on the server.”

Workaround:

1. Navigate to World of Warships install folder
2. Open preferences.xml with text editor
3. Find the <net_credentials> section
4. Add this line: <version>0,10,11,4883153</version>
5. Save file and restart game

If that doesn’t work: Contact Player Support immediately – indicates server-side issue or corrupted patch.

Hit forums post-patch – quick fixes drop there.

Final Prioritized Checklist

Lost? This order:

1. Verify game files (5 minutes – easy, often effective)
2. Delete preferences.xml (2 minutes – surprisingly powerful)
3. Launch in Safe Mode to test without mods (immediate – rules out mod conflicts)
4. Run MemTest86 overnight (time-consuming but critical – memory faults are #1 cause)
5. Update or roll back GPU drivers with DDU clean install (30 minutes – addresses driver issues)
6. Run network reset commands and power-cycle hardware (15 minutes – fixes connection problems)
7. System file repairs with SFC and DISM (45 minutes – catches Windows corruption)
8. Check firewall and port settings (10 minutes – ensures network access)
9. Monitor temperatures and hardware during gameplay (ongoing – identifies thermal/power issues)
10. Reinstall game completely if nothing else works (1-2 hours – nuclear option)

When to contact Support:

• After trying all software fixes without success
• If MemTest shows RAM errors and replacement doesn’t help
• When network diagnostics show server-side problems
• If crashes appeared immediately after a specific patch

What NOT to waste time on:

• Reinstalling before trying simple fixes
• Buying new hardware without testing current RAM/temps
• Assuming “it’s just the game” – WoWS runs stable for millions of players; if you’re crashing, something on your end is wrong

Collected it all here – tools, steps, no forum crawl needed.

Error 11 dies most times. Simple first, systematic, hardware last. Battles wait.