AccentColorizer recolors Win32 controls in memory using an accent color without patching theme files.
Open source
24 alternativesSecureUxTheme
SecureUxTheme patches Windows theme verification in memory to allow unsigned styles without modifying system files.
About SecureUxTheme
SecureUxTheme is an open-source program for Windows that removes signature verification of theme styles. It patches this check in memory, so the project states that no system files are modified and no driver is needed. The project describes it as compatible with Secure Boot. It does not change the appearance of Windows by itself. It only enables custom themes, which the user must find and apply, and the author recommends checking that each theme is compatible with the installed Windows version.
The project lists support for Windows 8.1, Windows 10, Windows 11, and several Windows Server versions, from 2012 R2 to 2025, with future versions marked as untested. The FAQ states that the separate ThemeTool was removed because the program no longer requires configuration, and that themes can be applied through the built-in Personalization or Themes settings. Per-program themes are described as close to impossible, although a plugin exists for Office programs. Some users have reported login loops after installation or after setting a theme.
Key features
- Patches theme signature verification in memory without modifying system files
- Requires no driver, according to the project
- Described as compatible with Secure Boot
- Fixes LogonUI resetting some colors when the screen is locked
- Supports Windows 8.1 through Windows 11 and Windows Server 2012 R2 through 2025
- Can be installed with Scoop or WinGet
Best for: Windows users who want to apply unsigned custom themes and are willing to use an open-source, community-maintained system patch.
Good for
- Does not modify system files, according to the project
- Requires no driver
- Released as open source under the LGPL-2.1 license
Watch out for
- Future Windows versions are listed as untested
- Per-program theme assignment is described as close to impossible
- Some users have reported login loops after installation or after setting a theme
SecureUxTheme at a glance
- Category
- Software & Utilities › Desktop Customization
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Windows
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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SecureUxTheme FAQ
Where is ThemeTool?
ThemeTool was removed because SecureUxTheme no longer requires configuration. The project suggests ThemeToolSharp as an alternative, but states that it is not required. Themes can be applied through Personalization or Themes.
Can themes be set for individual programs?
The project says this is close to impossible. A plugin is available for fixing this in Office programs.
The Address bar or Search bar looks wrong when clicked on Windows 10 1909 or later. What can be done?
The project suggests OldNewExplorer, which it says fixes this issue. The FAQ also refers to Issue #6 in the repository.
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