Google Chrome is one of the most widely used web browsers, but users may encounter an issue where the browser spontaneously changes its theme. This can be disruptive to your browsing experience, so here are the top 6 fixes to solve this problem.

1. Reset Chrome Settings: Often, restoring Google Chrome to its default settings can resolve the unexpected theme changes. To do this, go to the Chrome menu, then “Settings,” scroll down to “Advanced,” and click on “Restore settings to their original defaults.” This will not delete your bookmarks or passwords but will reset your startup page, new tab page, search engine, and pinned tabs.

2. Check Sync Settings: If you are signed into multiple devices with Google sync enabled, make sure that theme changes aren’t being synced across devices. Visit “Settings,” and under “People,” check the “Sync” options. From there, you can manage what information is shared across devices.

3. Remove Rogue Extensions: Unwanted or malicious extensions could be altering your theme without permission. Go to “Settings,” select “Extensions,” and carefully review installed extensions. Remove any that seem suspicious or that you do not remember installing.

4. Update Google Chrome: Running an outdated version of Chrome can lead to various issues including theming problems. Check for browser updates by going to “Help” and then “About Google Chrome.” This will automatically check for updates and prompt you to relaunch the browser if needed.

5. Disable Hardware Acceleration: Sometimes hardware acceleration can cause issues with how content is displayed on the browser including themes. To disable it, access “Settings” in Chrome, click on “Advanced,” find the “System” section, and toggle off “Use hardware acceleration when available.”

6. Create A New User Profile: If all else fails, try creating a new user profile which can sometimes resolve persistent issues with current settings or themes getting auto-changed. Navigate to the profile icon on Chrome and click on “Add” to create a new profile.

Implementing these fixes should help keep your preferred theme intact without random changes interrupting your browsing experience on Google Chrome.