uac.dll - Analyze and How to Fix Errors

⚠️ Important Notice: Discover insights on uac.dll file functionality, errors, and solutions for Windows systems. 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	05.07.2009 08:42:52
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	✅ Have signed	File have signature, it is original file.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	28.4 kb.	29120 bytes.

Hashes:

MD5: d23b256e9c12fe37d984bae5017c5f8c ✅
SHA-1: fd698b58a563816b2260bbc50d7f864b33523121
SHA-256: ec6a56d981892bf251df1439bea425a5f6c7e1c7312d44bedd5e2957f270338c
SHA-512: 13f284821324ffaeadafd3651f64d896186f47cf9a68735642cf37b37de777dba197067fbccd3a7411b5dc7976e510439253bd24c9be1d36c0a59d924c17ae8e

Digital file signature uac.dll ✅

✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).

To fix the uac.dll error without downloading any third-party files, you must repair your existing Windows system files.

Run SFC and DISM Tools

Windows has built-in tools to find and replace missing or corrupted DLL files automatically.

1. Press Windows Key + X and select Terminal (Admin) or Command Prompt (Admin).
2. Type sfc /scannow and press Enter.
3. Wait for the scan to finish and restart your computer.
4. If the error persists, open the Admin Command Prompt again.
5. Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
6. Restart your computer after the process completes.

Register the DLL File Manually

If the file exists but Windows cannot read it, you can re-register it.

1. Open Command Prompt (Admin).
2. Type regsvr32 /u uac.dll and press Enter to unregister the file.
3. Type regsvr32 uac.dll and press Enter to re-register the file.
4. Restart your PC.

Undo Recent Changes

If the error started recently, an update or a specific program might have caused it.

• Run System Restore: Search for "Create a restore point" in Windows, click System Restore, and choose a date before the error started.
• Uninstall Recent Updates: Go to Settings > Windows Update > Update history > Uninstall updates, and remove the most recent update.

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📊 Diagnostics Tool: Verify Your uac.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:
KERNEL32.dll
├── USER32.dll
├── ADVAPI32.dll
├── SHELL32.dll
├── ole32.dll
└── UAC.dll

Similar files:
️uacccom.dll | ️rdpsauachelper.exe
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