qwindowsvistastyle.dll - Analyze and How to Fix Errors
★★★★☆ Verified File (27.08.2026)⚠️ Important Notice: Discover the
qwindowsvistastyle.dllfile and its role in enhancing Windows Vista user interface styles. Essential for developers and administrators. Manually replacing system libraries can brick future Windows updates or cause critical system failures.
| Architecture: | 32-bit (x86) | Compatible with 32 and 64-bit Windows |
| Creation date | 04.05.2024 23:13:09 | |
| File version | 5.15.8.0 | |
| Antivirus scan | ✅ Clean | No viruses detected. |
| Digital signature | 🟡 Not signed | Signature missing. The file may have been modified. |
| Hash Integrity | ✅ MD5: Verified | File Hash protection is missing. |
| File size | 120.5 kb. | 123392 bytes. |
Hashes:
MD5: 9216c82e0bc7273c58af4bd4ad88b983 ✅SHA-1: 100d9a363ee36a7aec5529c7c69994f621017833
SHA-256: bb6d7170a0cf5fea5a1c01f9462e9d329ed3e7be7a265e215b9b79c9d9f00f97
SHA-512: 8ac04cbd63c1a5e67eac07d23f1d6fbac41476a83e4cf4efbcf099878834744a54d12d9d238de85472c46879c2efb2c6f2c43a24c6e2b4bb737e5e117d0db34f
✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).
The qwindowsvistastyle.dll file is a legitimate Qt framework plugin used by various applications (such as VLC, KeePass, or AMD software) to match the visual style of the Windows operating system. Errors usually happen because the file is missing, corrupted, or the app cannot find its path.
You can fix this error without downloading anything from third-party DLL websites by using the following methods:
Method 1: Reinstall the Problematic Application
The safest and easiest way to fix this error is to replace the file using the official installer of the program that is crashing.
- Open the Windows Settings app (Press
Windows Key + I). - Go to Apps > Installed apps.
- Find the specific program that triggers the error.
- Click the three dots next to it and select Uninstall.
- Download the latest version of that software from its official website and install it again.
Method 2: Copy the DLL from a Working Directory
If you have multiple apps that use the Qt framework, you likely already have a working copy of this file on your computer.
- Open File Explorer and go to
C:\. - In the top-right search bar, type
qwindowsvistastyle.dlland press Enter. - Look through the search results for a working copy inside another program's folder (e.g., VLC or AMD).
- Right-click the working file and select Copy.
- Navigate to the folder of the broken application (usually inside
plugins\styles\). - Paste the file into that directory.
Method 3: Run System File Checker (SFC)
If the error is related to system-level software or native Windows integration, corrupted system files might be the cause.
- Type cmd in the Windows start menu search bar.
- Right-click Command Prompt and select Run as administrator.
- Type
sfc /scannowand press Enter. - Wait for the system scan to reach 100% and restart your computer.
Method 4: Clear the Application Cache
Sometimes cached configurations force the application to look for the DLL in the wrong directory.
- Press
Windows Key + Rto open the Run dialog box. - Type
%appdata%and press Enter. - Locate the folder named after the crashing application.
- Delete or rename that folder (Note: This might reset your app preferences).
- Relaunch the application.
📊 Diagnostics Tool: Verify Your qwindowsvistastyle.dll File
Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.
Connected files:Qt5Widgets.dll
├── Qt5Gui.dll
└── Qt5Core.dll
Other versions:
️ qwindowsvistastyle.dll 6.5.10.0 64-bit (x64)