How to Test The Sims 4 Without Mods is one of the most useful troubleshooting skills for patch day because it answers a simple question: does the problem still happen when third-party files are completely out of the equation?
How to Test The Sims 4 Without Mods should be done without saving over a CC-heavy household. Move the Mods folder, clear the thumbnail cache, use a disposable save and only return files after you know whether the clean game behaves normally.
How to Test The Sims 4 Without Mods safely

Image credit: Electronic Arts
How to Test The Sims 4 Without Mods is easiest to troubleshoot when you make one change at a time and test the same symptom again. The steps below are ordered from reversible checks to deeper repair work, so you can stop as soon as the problem is gone.
- Close The Sims 4 completely.
- Move Documents > Electronic Arts > The Sims 4 > Mods to the desktop.
- Delete localthumbcache.package.
- Launch the game and use a new or disposable save for the test.
- Exit without saving over an important household if CC is absent.
Why a clean mod test matters
EA’s official mods troubleshooting guide says the easiest way to identify a mod-related issue is to run the game without Mods and then add files back in batches. A clean baseline prevents guesswork.
If the problem still happens with no Mods folder, you have useful evidence that the base game, save or installation deserves attention instead.
Move the folder rather than deleting it
Drag the entire Mods folder somewhere outside the Sims 4 user folder. Do not delete it. Keeping the original collection intact makes it easy to restore files after testing.
The game can generate a fresh Mods folder and Resource.cfg if needed, but your old collection should stay separate until you have finished diagnosing the problem.
Delete localthumbcache.package
After removing Mods, delete localthumbcache.package from Documents > Electronic Arts > The Sims 4. The game rebuilds this file automatically.
Skipping the cache clear can leave old mod or CC information around and make a clean test less conclusive.
Use a disposable save and exit without saving
EA specifically warns that saving while CC is disabled can remove content from the save. Its official guidance recommends checking the game, then exiting without saving before re-enabling content.
A new save is ideal for testing startup, CAS, Build Mode and basic Live Mode behaviour without putting a long-term household at risk.
Add mods back in controlled batches
If the clean game works, return current mods in small groups. Launch after each group until the problem comes back, then split the last group again.
The broken mods guide expands this into a full 50/50-style isolation process for large mod folders.
What your troubleshooting result means
If How to Test The Sims 4 Without Mods disappears in a clean test, you have narrowed the problem to something in the normal user setup rather than the untouched base game. Restore files in small groups, retest after each change and stop as soon as the symptom returns. That is much safer than putting the full Mods, Tray and settings collection back at once.
If How to Test The Sims 4 Without Mods still happens in a brand-new save with no Mods folder after Repair, keep the clean test intact and record the game version, platform and exact reproduction steps. At that point the evidence is much stronger for a game, installation or platform issue, and those details are useful for an EA support case or bug report.
How to Test The Sims 4 Without Mods and get a useful answer
How to Test The Sims 4 Without Mods is not simply unticking a checkbox and hoping. Move the files out, clear the cache, test a disposable save and avoid saving over a CC-dependent household. If the clean game works, add updated files back methodically until the culprit reveals itself.
More The Sims 4 guides
- THE SIMS 4 GUIDES HUB
- How to Fix Broken Mods in Sims 4? Common Causes and Fixes (2026)
- How to Fix Infinite Loading Screens in Sims 4 ? How to Fix It (2026)
- The Sims 4 Won’t Launch After the July 21 Update: How to Fix It
- Sims 4 Custom Content Missing After Update: How to Restore It
- How to Fix Broken UI in Sims 4 – How to fix Guide 2026
