Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchWindows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallIf Warzone’s shader installation or preloading appears stuck, leave the game open at the Main Menu and let the process run. Activision says shader preloading is part of the first boot process and should finish before you play; leaving the Main Menu stops it and can cause performance issues. If the stall keeps happening, repair the game through its launcher, check your graphics driver, and look for software conflicts.
1. Let shader preloading finish
Start Warzone and stay at the Main Menu while the shader-preloading indicator is active. Don’t start a match or navigate away during preloading. Activision Support says, “Shader Preloading is an important part of the first boot process. Allow this process to complete before attempting to play the game.” It also warns, “Navigating out of the Main Menu will cause the preloading to stop and can lead to performance issues.” Read Activision’s PC troubleshooting guidance.
Activision does not specify a universal wait time, so there is no reliable number of minutes after which every stalled progress bar should be considered a failure.
2. Repair the game files in your launcher
If shader preloading repeatedly stops or fails to progress, use the repair option for the launcher where you installed Warzone. This is an official troubleshooting step, not a guaranteed fix.
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- Battle.net: Use the Scan and Repair option for the game.
- Steam: Use Verify integrity of game files.
3. Check your graphics driver and background software
Activision recommends installing the applicable graphics-card driver when troubleshooting graphical problems. Use the driver support page for your actual GPU model rather than installing a driver intended for different hardware.
Software running alongside the game can also interfere. If the problem persists, Activision specifically recommends addressing conflicts with utilities such as NZXT CAM, MSI Afterburner, and Razer Cortex. Antivirus software may also interfere; Activision advises adding the full Warzone folder to your antivirus exception list when appropriate. Change only settings you understand, and follow your security software’s guidance before excluding a folder.
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Intel Arc A750: a specific older crash case
Intel documented a narrow Warzone 2.0 startup freeze or crash, including during shader loading, after Intel graphics driver 101.5186. Intel says driver 101.5522 or newer fixes that issue for the Intel Arc A750. This applies to that documented hardware and crash scenario; it is not evidence that the same driver issue explains every shader stall or applies to other GPUs. See Intel’s support article, and check Intel’s current driver support for your hardware.
4. If the problem continues, prepare a useful support report
Activision provides a PC crash-report process for persistent problems. Before contacting support, note the details that can help describe what is happening:
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- Your platform and game launcher
- Your GPU model and graphics-driver version
- Whether shader progress moves at all or remains at a fixed percentage
- Any crash message or error code
These details are useful context, not a claim that Activision requires every item. Visit Activision’s Warzone support page to find support options.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What not to assume
A player’s 2024 Reddit post describes shader preloading stuck at 0% even after reinstalling and running repair checks. That is one reported experience, not proof of a common cause or a verified remedy. Read the post.
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The available official guidance does not establish a universal shader-cache deletion procedure or a single button path to restart preloading. Avoid deleting cache files based on unverified instructions, and don’t leave the Main Menu while Activision’s preloading process is running.
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