Crash Assistant guide for All the Mods 10 5.2 to 7.1

Same as in the All the Mods 10 8.1 guide

Crash Assistant is a crash-helper mod. When Minecraft crashes, it pops up a window that immediately shows the affected game and launcher logs, crash reports and hs_err files. From there you can upload everything with one click and copy a link to paste into Discord or GitHub. The pack ships version 1.11.12.^[1][2]

It is client-only, so on a server it does nothing.^[1]

Who it is for

It is for anyone who crashes and wants to know why, and for people who help with support. You get a formatted, ready-to-paste report, and anyone helping you gets current logs without having to ask for more files. The mod's author says more than 75% of issues are common and easily solvable, and the analysis aims to cut that support load.^[1]

What it does for you

• Analyzes logs for many known crash causes. When it finds one, it shows a dialog with a description and a detailed fix. Examples include out-of-memory errors, duplicated mods, Mixin conflicts, and GPU driver problems.^[1]
• Warns you if Minecraft is running on an integrated GPU when a dedicated one is available, and offers a one-click Auto-Fix button on Windows.^[1]
• Warns you if your CPU is one of the Intel 13th/14th generation models known to have a critical stability bug.^[1]
• Includes analysis tools in the GUI menu, such as a Package/Class Finder that shows which mod contains a given Java class or package.^[1]
• Saves the modlist, and for modpack players it lists the mods you added, removed or updated compared with the official list. You can also save it manually with the /crash_assistant modlist save command.^[1]

It runs as a separate process that waits for the Minecraft JVM to stop. It also loads very early, so it can catch crashes during startup.^[1]

Where it fits in the pack

Crash Assistant is a utility rather than a gameplay mod, so it adds no progression of its own. You don't need to unlock or craft anything. It is there when something goes wrong.^[1]

Unverified The sources I was given show no quests or ATM Star path involvement for this mod, and no in-jar guidebook was found for it.

Same as in the All the Mods 10 8.1 guide

Good news: there's nothing to craft here. Crash Assistant is a safety net that only shows up when Minecraft crashes, so your first steps are really about knowing what it does and how to use it when something goes wrong.^[1]

The mod is client-only. It runs on your own game, and on a server it does nothing. If a dedicated server crashes, you won't get this window there.^[1]

What happens when the game crashes

1. After a crash, a GUI opens right away and shows all the affected game or launcher logs, crash reports and hs_err files.^[1]
2. If the mod recognizes a known crash reason, it shows a dialog with a description of the problem and a detailed solution. Read that first, since it may save you a lot of guessing.^[1]
3. If you need help, use the one-click option to upload the logs and copy the link. Sharing that link is much easier than sending files around.^[1]
4. You can also drag and drop. Drag a single file out of the GUI to wherever you want it, or drag the "Available log files:" label to move all the logs at once.^[1]

Handy extras to know about

• It warns you if Minecraft is running on an integrated GPU when a dedicated one is available. That's worth checking if the pack runs poorly.^[1]
• It includes auto-fixes for many common issues, plus several analysis tools.^[1]
• Its analysis covers many JVM crash (hs_err) causes, such as GPU driver problems and running out of RAM. It also covers many log and crash-report causes, including duplicated mods, missing dependencies, Mixin conflicts and running out of disk space.^[1]

Unverified No quests, crafting recipes or in-pack config values for Crash Assistant were found in the sources for this pack, so this section doesn't cover any pack-specific changes to the mod.

Crash Assistant has no machines, multiblocks, power or item logistics. It is a troubleshooting tool that runs alongside the game. When Minecraft crashes, it opens a separate window that shows and analyzes all the affected logs right away, so you can report or fix the problem without digging through folders.^[1]

The mod is client-only. If you install it on a server, it does nothing, so everything below applies to your own game.^[1]

What happens when you crash

After a crash, the GUI lists every relevant file it finds: game logs, launcher logs, crash reports and hs_err files. It supports drag and drop. You can drag a single file out of the window to wherever you need it, or drag the "Available log files:" label to move all the logs at once.^[1]

In All the Mods 10 7.1, general.kill_old_app is on. If an old Crash Assistant window is still open when you start Minecraft again, the mod closes it, so an outdated crash window can't confuse you.^[3]

The pack also keeps general.generate_own_launcher_log enabled. This writes the game's stderr stream to logs/stderr_stream.log, because many launchers don't save it and it is sometimes the only place a crash reason shows up. The original stream is left untouched.^[3]

Uploading and sharing logs

The core workflow is one click to upload your logs and copy the link, ready to paste into a support channel. By default, the individual upload buttons stay disabled until the mod finishes scanning for terminated processes, which can appear with a delay. The pack leaves general.prevent_upload_buttons_delay off, so this wait stays in place and nudges you toward the Upload All button.^[1][3]

If a log is too big for a single upload, it is split into a head part and a tail part. When you copy it from an individual upload button, a dialog asks whether you want one part or a message with both links. The pack keeps copied_links.skip_split_dialog off, so you will see that choice.^[3]

Before your first upload, you have to accept a privacy policy, because the pack leaves general.enable_privacy_policy_acceptance enabled. The pack also keeps general.enable_mclogs_anti_ip_like_version_censorer on. This setting stops the log host from censoring version numbers that look like IP addresses by swapping their dots for a dot-like symbol. Real IP addresses stay censored.^[3]

The help button wording uses Discord terms like joining the Discord and posting in a channel, because general.formulation_type is set to DISCORD. In this pack, general.help_link points to the All the Mods Discord invite.^[3]

Automatic log analysis

This is where the mod really shines. It scans your logs for many known crash reasons. When it recognizes one, it shows a dialog with a description of the problem and a detailed solution. Some checks include Auto-Fix buttons, and the author says more than 75% of issues are common, easily solved problems.^[1]

• JVM crashes (hs_err files): GPU driver problems for AMD, Nvidia and old Intel integrated graphics, running out of physical RAM or swap, and common Linux library issues.^[1]
• Game logs and crash reports: duplicated mods, missing or mismatched dependencies, Mixin conflicts, running out of allocated RAM, running out of disk space, files locked by another program, and malformed server configs.^[1]
• Addon compatibility: Create and Epic Fight addon mismatches, where one button finds all the incompatible mods.^[1]
• Windows Event Log: detects when the game froze and Windows terminated it, which often happens from user input during loading.^[1]
• Codex integration: after you upload, every supported log also goes through the mclogs Codex analyzer. When its message would be unclear, such as for an erroring block or entity, Crash Assistant shows a how-to-fix guide.^[1]

In this pack, analysis.enabled is on and analysis.blacklisted_reasons is empty, so every analysis is active. The first time a crash reason appears, the OK button stays locked for 10 seconds, set by analysis.first_show_delay, so you actually read the recommendation.^[3]

Analysis tools and extras

Beyond crash detection, the GUI menu gives you a set of analysis tools. These include a Create/Epic Fight addon compatibility scanner and an MCreator Mod Detector that lists every mod made with MCreator. The pack keeps analysis_tools.enabled on with nothing in analysis_tools.blacklisted_tools.^[1][3]

The mod also warns you if Minecraft is running on an integrated GPU when a dedicated one is available. That's worth checking if your frame rate looks worse than it should.^[1]

There is also an optional crash command that deliberately crashes the game and needs a repeat confirmation within 10 seconds. It is disabled in this pack through crash_command.enabled, so you can't use it here.^[3]

Unverified The full list of analysis tools in this version could not be confirmed, because the project page list was cut off. Details about the mod's auto-fixes beyond the individual checks listed above are also unconfirmed.

Crash Assistant pops up a window after Minecraft crashes. It shows your logs, uploads them in one click and analyses them for known crash causes. Most of its options are meant for pack makers, but a handful change what you see when your game goes down. Here's how this pack sets them.^[1][3]

Simple mode is on

This is the big change from the mod default. The mod ships with simple mode disabled, but this pack turns simple_mode.enabled on. The crash window opens with your logs hidden and a single "Show Logs (Expert Mode)" button. Click it if you want to see the individual log files.^[3]

The mod list changes section stays visible in simple mode, because simple_mode.hide_modlist_section is off. The pack's creators always get Expert Mode, because simple_mode.prevent_for_modpack_creators is on.^[3]

Uploading and getting help

The help button points to the pack's own Discord and tech support channel instead of the generic modloader Discord. That's because the pack filled in general.help_link rather than leaving it at the CHANGE_ME default. The wording is set to Discord style through general.formulation_type.^[3]

• Logs are always uploaded to mclo.gs. The pack wraps the link with gnomebot.dev for better formatting, via general.upload_to.^[3]
• Before your first upload, you have to accept a privacy policy, because general.enable_privacy_policy_acceptance is on.^[3]
• Version numbers that look like IP addresses are protected from being censored by mclo.gs, while real IPs stay censored, through general.enable_mclogs_anti_ip_like_version_censorer.^[3]
• The window reminds you that a screenshot of it tells the pack's creators nothing, through gui_customisation.show_dont_send_screenshot_of_gui_notice. Post the generated links instead.^[3]

Crash analysis

Analysis is enabled through analysis.enabled. When it spots a known crash reason for the first time, the OK button is locked for 10 seconds so you actually read the fix. That delay comes from analysis.first_show_delay.^[3]

The analysis only blames mods you added or updated yourself, never mods that shipped with the pack, because analysis.trigger_on_original_modpack_mods is off. This works because the pack keeps a record of its original mod list with modpack_modlist.enabled.^[3]

Other options worth knowing

• A piracy/offline mode check is on. Its warning locks the OK button for 10 seconds, via piracy.enabled and piracy.delay.^[3]
• The command that deliberately crashes your game is disabled through crash_command.enabled.^[3]
• An old crash window closes automatically when you start Minecraft again, thanks to general.kill_old_app.^[3]
• The mod writes an extra logs/stderr_stream.log file, which many launchers don't save, through general.generate_own_launcher_log.^[3]
• The window uses the FlatDarkLaf theme, set in gui_customisation.theme_file_name.^[3]

Unverified Apart from simple mode and the help link, the sources don't say which of these values differ from the mod's own defaults.

Crash Assistant joined All the Mods 10 in pack version 2.30 at mod version 1.3.0, and the pack has updated it regularly ever since, right up to the current release.^[4][5]

In All the Mods 10 7.1, you're running Crash Assistant 1.11.10, shipped as the file CrashAssistant-neoforge-1.20.6-1.21.4-1.11.10.jar.^[6]

Updates by pack release

These are the Crash Assistant updates recorded in the pack changelogs, newest first.^[4][5]

• Pack 7.1: updated from 1.11.9 to 1.11.10.^[5]
• Pack 7.0: updated from 1.11.6 to 1.11.9.^[7]
• Pack 6.3: updated from 1.11.3 to 1.11.6.^[8]
• Pack 6.2: updated from 1.11.0 to 1.11.3.^[9]
• Pack 6.1: updated from 1.10.30 to 1.11.0.^[10]
• Pack 6.0: updated from 1.10.28 to 1.10.30.^[11]
• Pack 5.5: updated from 1.10.23 to 1.10.28.^[12]
• Pack 5.2: updated from 1.10.20 to 1.10.23.^[13]
• Pack 5.1: updated from 1.10.19 to 1.10.20.^[14]
• Pack 4.15: updated from 1.10.12 to 1.10.19.^[15]
• Pack 4.13: updated from 1.10.4 to 1.10.12.^[16]
• Pack 4.12: updated from 1.9.15 to 1.10.4.^[17]
• Pack 4.5: updated from 1.9.9 to 1.9.15.^[18]
• Pack 4.3: updated from 1.9.6 to 1.9.9.^[19]
• Pack 4.1: updated from 1.9.4 to 1.9.6.^[20]
• Pack 4.0: updated from 1.9.1 to 1.9.4.^[21]
• Pack 3.2: updated from 1.8.0 to 1.9.1.^[22]
• Pack 2.47: updated from 1.7.4 to 1.8.0.^[23]
• Pack 2.44: updated from 1.7.2 to 1.7.4.^[24]
• Pack 2.43: updated from 1.5.1 to 1.7.2.^[25]
• Pack 2.42: updated from 1.4.3 to 1.5.1.^[26]
• Pack 2.37: updated from 1.3.7 to 1.4.3.^[27]
• Pack 2.36: updated from 1.3.4 to 1.3.7.^[28]
• Pack 2.33: updated from 1.3.3 to 1.3.4.^[29]
• Pack 2.32: updated from 1.3.2 to 1.3.3.^[30]
• Pack 2.31: updated from 1.3.0 to 1.3.2.^[31]
• Pack 2.30: Crash Assistant added at 1.3.0.^[4]

Unverified The pack changelogs only record version numbers, and the mod's own changelogs for these releases weren't available. That means the specific features, fixes or behaviour changes in each of these updates can't be confirmed here.