mcupdate_authenticamd.dll - Analyze and Virus check.
★★★★★ Verified File (27.08.2026)This file from Windows directory "System32"
⚠️ Important Notice: dll for Minecraft authentication issues. Compatible with Windows 10/11. Fix login problems quickly. Manually replacing system libraries can brick future Windows updates or cause critical system failures.
| Architecture: | 64-bit (x64) | Compatible with only 64-bit Windows |
| 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 | 107.5 kb. | 110096 bytes. |
Hashes:
MD5: e71c1995d0df06dc003c4b4f31bb46f8 ✅SHA-1: 5daa8734f66e6ccc45a77e9467c3783e0d957688
SHA-256: 77ea63186d43354bfbc6e28188843cede3f3cc49335fbd1a688c48d0a2cc7c4d
SHA-512: 95572db5d84ffbde5723f60bb0e61e7857f6771c1144202e83acef59276615332f01f9255cbc6de6ac1e73c153c3fbf77dc0b7b1a813d59698f6dd048e522093
Digital file signature mcupdate authenticamd.dll ✅
Publisher: Microsoft Corporation
Issuer: Microsoft Windows Production PCA 2011
Encryption algorithm: SHA256
Time stamp: Dec 7 01:05:03 2019 GMT
Issuer: Microsoft Windows Production PCA 2011
Encryption algorithm: SHA256
Time stamp: Dec 7 01:05:03 2019 GMT
✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.
📊 Diagnostics Tool: Verify Your mcupdate authenticamd.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:ntoskrnl.exe
Other versions:
️ mcupdate_authenticamd.dll 10.0.19041.1 32-bit (x86)
Microsoft Corporation