The Windows 10 Anniversary Update hits again: if you own an HP computer, and you want to encrypt the hard drive, think again. The Anniversary Update has introduced new signature verification requirements which are incompatible with HP Drive Encryption (HPDE) and may cause severe issues on users’ computers.

HP Drive Encryption is a useful security tool, allowing HP computer owners to protect data by encrypting the hard drive. HPDE is fully compatible with the Windows 10 versions released prior to the Anniversary Update, but if you use this tool after a fresh installation of Microsoft’s latest OS, you may encounter the following issues:

• The computer stops responding (hangs) with a black screen.
• The computer will not shut down or restart.
• With fast startup enabled the computer will not shut down.
• The System event log shows volmgr error ID 45 and 46.
• With Fast Startup disabled the computer will not enter a low power state (S3, S4, etc.).
• With bitlocker encryption enabled, the computer will not enter a reduced power state (S3, S4, etc.).

The only way to avoid such issues is to restrain from installing HPDE after a fresh installation of the Anniversary Update. HP has also confirmed it won’t offer  HPDE support for the  Anniversary Update or beyond, and recommends BitLocker as an alternate encryption solution.

Here are the computers models affected by this incompatibility issue:

• HP Elite x2 1011 G1, HP Elite x2 1012 G1
• HP EliteBook 720 G1 Notebook PC, HP EliteBook 720 G2 Notebook PC
• HP EliteBook 725 G2 Notebook PC, HP EliteBook 725 G3 Notebook PC
• HP EliteBook 740 G1 Notebook PC, HP EliteBook 740 G2 Notebook PC
• HP EliteBook 745 G2 Notebook PC, HP EliteBook 745 G3 Notebook PC
• HP EliteBook 750 G1 Notebook PC, HP EliteBook 750 G2 Notebook PC,
• HP EliteBook 755 G2 Notebook PC, HP EliteBook 755 G3 Notebook PC
• HP EliteBook 820 G1 Notebook PC, HP EliteBook 820 G2 Notebook PC, HP EliteBook 820 G3 Notebook PC
• HP EliteBook 828 G3 Notebook PC
• HP EliteBook 840 G1 Notebook PC, HP EliteBook 840 G2 Notebook PC, HP EliteBook 840 G3 Notebook PC
• HP EliteBook 8460p Notebook PC, HP EliteBook 848 G3 Notebook PC
• HP EliteBook 850 G1 Notebook PC, HP EliteBook 850 G2 Notebook PC, HP EliteBook 850 G3 Notebook PC
• HP EliteBook 8560p Notebook PC
• HP EliteBook Folio 1040 G1 Notebook PC, HP EliteBook Folio 9480m Notebook PC
• HP EliteBook Revolve 810 G1 Convertible Tablet, HP EliteBook Revolve 810 G2 Tablet, HP EliteBook Revolve 810 G3 Tablet
• HP EliteDesk 700 G1 Microtower PC, HP EliteDesk 700 G1 Small Form Factor PC
• HP EliteDesk 705 G1 Desktop Mini PC, HP EliteDesk 705 G1 Microtower PC, HP EliteDesk 705 G1 Small Form Factor PC, HP EliteDesk 705 G2 Desktop Mini PC, HP EliteDesk 705 G2 Microtower PC, HP EliteDesk 705 G2 Small Form Factor PC
• HP EliteDesk 800 35W G2 Desktop Mini PC, HP EliteDesk 800 65W G2 Desktop Mini PC, HP EliteDesk 800 G1 Desktop Mini PC, HP EliteDesk 800 G1 Small Form Factor PC, HP EliteDesk 800 G1 Tower PC, HP EliteDesk 800 G1 Ultra-slim PC, HP EliteDesk 800 G2 Small Form Factor PC, HP EliteDesk 800 G2 Tower PC
• HP EliteDesk 880 Microtower PC
• HP EliteOne 705 G1 23-inch Non-Touch All-in-One PC, HP EliteOne 705 G2 23-inch Touch All-in-One PC
• HP EliteOne 800 G1 21.5 Non-Touch All-in-One PC, HP EliteOne 800 G1 All-in-One PC, HP EliteOne 800 G1 Base Model Retail System, HP, EliteOne 800 G2 23-inch Non-Touch All-in-One PC, HP EliteOne 800 G2 23-inch Touch All-in-One PC
• HP ElitePad 1000 G2 Healthcare Base Model Tablet, HP ElitePad 1000 G2 Healthcare Tablet, HP ElitePad 1000 G2 Healthcare TC Tablet, HP ElitePad 1000 G2 Tablet
• HP Pro Tablet608 G1, HP Pro x2 612 G1
• HP ProBook 430 G1 Notebook PC, HP ProBook 430 G2 Notebook PC, HP ProBook 430 G3 Notebook PC
• HP ProBook 440 G1 Notebook PC, HP ProBook 440 G2 Notebook PC, HP ProBook 440 G3 Notebook PC
• HP ProBook 445 G1 Notebook PC, HP ProBook 445 G2 Notebook PC
• HP ProBook 450 G1 Notebook PC, HP ProBook 450 G2 Notebook PC, HP ProBook 450 G3 Notebook PC
• HP ProBook 455 G1 Notebook PC, HP ProBook 455 G2 Notebook PC, HP ProBook 455 G3 Notebook PC
• HP ProBook 470 G0 Notebook PC, HP ProBook 470 G1 Notebook PC, HP ProBook 470 G2 Notebook PC, HP ProBook 470 G3 Notebook PC
• HP ProBook 640 G1 Notebook PC, HP ProBook 640 G2 Notebook PC
• HP ProBook 645 G1 Notebook PC, HP ProBook 645 G2 Notebook PC
• HP ProBook 650 G1 Notebook PC, HP ProBook 650 G2 Notebook PC
• HP ProBook 655 G1 Notebook PC, HP ProBook 655 G2 Notebook PC
• HP ProDesk 400 G1 Base Small Form Factor PC
• HP ProDesk 400 G1 Desktop Mini PC, HP ProDesk 400 G1 Microtower PC, HP ProDesk 400 G1 Small Form Factor PC
• HP ProDesk 400 G2 Desktop Mini PC, HP ProDesk 400 G2 Microtower PC
• HP ProDesk 400 G2 Small Form Factor PC, HP ProDesk 400 G2.5 Small Form Factor PC
• HP ProDesk 400 G3 Microtower PC, HP ProDesk 400 G3 Small Form Factor PC
• HP ProDesk 405 G1 Microtower PC, HP ProDesk 405 G2 Microtower PC, HP ProDesk 405 G3 Microtower PC
• HP ProDesk 480 G1 Microtower PC, HP ProDesk 480 G2 Microtower PC, HP ProDesk 480 G3 Microtower PC
• HP ProDesk 485 G2 Microtower PC
• HP ProDesk 490 G1 Microtower PC, HP ProDesk 490 G2 Microtower PC, HP ProDesk 490 G3 Microtower PC
• HP ProDesk 498 G2 Microtower PC, HP ProDesk 498 G3 Microtower PC
• HP ProDesk 600 G1 Desktop Mini PC, HP ProDesk 600 G1 Small Form Factor PC, HP ProDesk 600 G1 Tower PC. HP ProDesk 600 G2 Desktop Mini PC, HP ProDesk 600 G2 Desktop Mini, HP ProDesk 600 G2 Microtower PC, HP ProDesk 600 G2 Small Form Factor PC
• HP ProOne 400 G1 19.5-inch Non-Touch All-in-One PC, HP ProOne 400 G1 21.5-inch Touch All-in-One PC, HP ProOne 400 G1 23-inch Non-Touch All-in-One PC, HP ProOne 400 G2 20-inch Non-Touch All-in-One PC, HP ProOne 400 G2 20-inch Touch All-in-One PC, HP ProOne 460 G2 20-inch Non-Touch All-in-One PC, HP ProOne 480 G2 20-inch Non-Touch All-in-One PC
• HP ProOne 600 G1 All-in-One PC, HP ProOne 600 G2 21.5-inch Non-Touch All-in-One PC
• HP ZBook 15 G2 Mobile Workstation, HP ZBook 15 G2 Mobile Workstation, HP ZBook 15 G3 Mobile Workstation, HP ZBook 15 G3 Mobile Workstation, HP ZBook 15 Mobile Workstation, HP ZBook 15-inch Mobile Workstation
• HP ZBook 15u G2 Mobile Workstation, HP ZBook 15u G3 Mobile Workstation, HP ZBook 17 G2 Mobile Workstation, HP ZBook 17 G3 Mobile Workstation, HP ZBook 17 Mobile Workstation, HP ZBook 17-inch Mobile Workstation, HP ZBook Studio G3 Mobile Workstation.

For more information, check out HP’s official Support page.

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