aritransformer.dll - Analyze and How to Fix Errors

★★★★★ Verified File (27.08.2026)

⚠️ Important Notice: dll for software compatibility and error resolution. Essential for system functionality. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	64-bit (x64)	Compatible with only 64-bit Windows
Creation date	21.01.2016 06:40:23
File version	10.0.19041.1
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	56.3 kb.	57656 bytes.

Hashes:

MD5: 122e914804eb6986a7991577b62f05fa ✅
SHA-1: df73ffb35cfde45e51f9dabfa9fb33ff0a61a853
SHA-256: e88c69b888e4ae5e4261c0018a1b9ce2ccd2ea23ee02229787e8362f91d1e2db
SHA-512: 6be3305347945f8c21d3a301275872eef338cc2d7fe56ac27da541bd7aae719116b54c30b2cfa9b0d09ec21ccaa60b650c9236ea91ace80bf1af0a870a20d529

Digital file signature `aritransformer.dll` ✅

Publisher: Microsoft Corporation
Issuer: Microsoft Windows Production PCA 2011
Encryption algorithm: SHA256
Time stamp: Dec 7 00:59:56 2019 GMT

✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.

The aritransformer.dll error usually happens because the file is missing, corrupted, or cannot be found by a specific application (often related to ArcGIS or similar software).

You can fix this error without downloading anything from third-party websites by using built-in Windows tools and application repair features.

1. Run SFC and DISM Scan

Windows has built-in tools to find and repair missing or corrupted system files automatically.

Type cmd in the Windows search bar.
Right-click Command Prompt and choose 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.

2. Repair the Associated Program

If the error happens when opening a specific app, that app's installation is likely corrupted.

Press the Windows Key + R to open the Run dialog.
Type appwiz.cpl and press Enter to open Programs and Features.
Find the software causing the error (e.g., ArcGIS).
Right-click the software and select Repair or Change, then follow the prompts.

3. Check the Recycle Bin

The file might have been deleted by accident.

Open the Recycle Bin on your desktop.
Search for aritransformer.dll in the search bar.
If you find it, right-click it and choose Restore.

4. Restore Your System

If the error started recently, you can roll Windows back to a time when everything worked.

Type Recovery in the Windows search bar and open it.
Click Open System Restore.
Choose a date before the error started appearing.
Follow the on-screen instructions to restore your system.

📊 Diagnostics Tool: Verify Your `aritransformer.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.