userenv.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Discover information about userenv.dll, its role in Windows, and common issues. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	other	️ Not detected
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	ℹ️ Unverified	File Hash protection is missing.
File size	15.6 kb.	15976 bytes.

Hashes:

MD5: 1f6b2b857638aa99290d4a5d5d327fbe
SHA-1: e21f4f123599f2ee64fa2be9f34508d0636187d2
SHA-256: f09ebbd6288bc13e666ae7e95a8c895fbab39d55cf456e953114813e540f463f
SHA-512: 33521a634cb2e1fab6ed49c67221318687c2bfb22f043582673bf13811a70b9ca70d9c9abff4180a1209c89bcac6551cdaa1ea73266a668aa3f6fb22d216138d

How to Fix Userenv.dll Errors Without Downloading

You can fix userenv.dll errors using built-in Windows tools. Do not download DLL files from third-party websites. Those files often contain malware or outdated code.

Run SFC and DISM Repairs

Windows can automatically find and replace missing or corrupted system files.

Open the Start Menu.
Type cmd.
Right-click Command Prompt.
Select Run as administrator.
Type sfc /scannow and press Enter.
Wait for the scan to finish.
Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
Restart your computer.

Update Windows

Installing pending updates often replaces broken system libraries.

Press Windows Key + I to open Settings.
Click Update & Security (or Windows Update).
Click Check for updates.
Install all available updates.
Restart your PC.

Register the DLL File

If the file exists but Windows cannot read it, re-registering it fixes the link.

Open Command Prompt as an administrator.
Type regsvr32 userenv.dll and press Enter.
Click OK on the confirmation pop-up.

Use System Restore

If the error started recently, roll Windows back to a time when it worked.

Type Create a restore point in the Windows search bar and click it.
Click the System Restore button.
Choose a date before the error started appearing.
Follow the on-screen prompts to complete the process.

📊 Diagnostics Tool: Verify Your `userenv.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.

Other versions:
️ userenv.dll 10.0.19041.5794 32-bit (x86) | ️ userenv.dll 10.0.19041.5794 64-bit (x64)
Similar files:
️userenv.dll.mui