Issues

• GPT/MBR corrupted/missing after unsafe laptop shutdown with usb hdd

  openzfsonwindows/openzfs#662 · Filter by author KaiHofbauer98 opened on Oct 29, 2026
  2

• Exporting a pool on an external USB NVMe drive seems flaky

  openzfsonwindows/openzfs#659 · Filter by author CFCocoa opened on Oct 17, 2026
  1

• SYSTEM_SERVICE_EXCEPTION

  openzfsonwindows/openzfs#657 · Filter by author Orenjdos opened on Oct 14, 2026
  3

• BSOD SYSTEM_THREAD_EXCEPTION_NOT_HANDLED when upgrade version 2.4.4rc3b to 2.4.4rc4

  openzfsonwindows/openzfs#654 · Filter by author leonik3 opened on Oct 11, 2026
  1

• Deadlock when installing Steam games

  openzfsonwindows/openzfs#652 · Filter by author Meowcat285 opened on Oct 4, 2026
  2

• --------- Remaining issues in OpenZFS 2.4.4 rc1 latest on Windows --------------

  openzfsonwindows/openzfs#648 · Filter by author guenther-alka opened on Oct 1, 2026
  2

• BSOD OpenZFS.sys 0x00ffffff when using LM Studio (downloading and chat with AI)

  openzfsonwindows/openzfs#647 · Filter by author leonik3 opened on Sep 29, 2026
  3

• Performance problems with case-insensitive filesystems

  openzfsonwindows/openzfs#640 · Filter by author jasmindavemath opened on Sep 6, 2026
  9

• BSOD SYSTEM_SERVICE_EXCEPTION (openZFS.sys) when uninstalling program 2.4.1rc15f

  openzfsonwindows/openzfs#639 · Filter by author leonik3 opened on Sep 5, 2026
  4

• Unified read/write & sync path review: hangs, deadlocks, silent data loss, crashes (supersedes #636, #637)

  openzfsonwindows/openzfs#638 · Filter by author xfcyhuang opened on Sep 4, 2026
  2

• Compiling Cygwin bash works on NTFS/ReFS/NFSv4.1, fails with OpenZFSOnWindows-debug-2.4.1rc15c

  openzfsonwindows/openzfs#633 · Filter by author gisburn opened on Sep 1, 2026
  4

• LM Studio freezes when downloading and adding new models or removing it from the downloads list

  openzfsonwindows/openzfs#630 · Filter by author leonik3 opened on Aug 31, 2026
  54

• Freefilesync again

  openzfsonwindows/openzfs#629 · Filter by author Armin-windows opened on Aug 31, 2026
  6

• --------- Remaining issues in OpenZFS 2.4.1 rc15 latest on Windows --------------

  openzfsonwindows/openzfs#627 · Filter by author guenther-alka opened on Aug 30, 2026
  31

• BSOD when formatting partition as NTFS on a VHD stored on ZFS volume

  openzfsonwindows/openzfs#626 · Filter by author Wormsweat opened on Aug 22, 2026
  4

• zfs export pool1 hangs if pool is on network share (SMB, NFSv4.2, ...)

  openzfsonwindows/openzfs#624 · Filter by author gisburn opened on Aug 12, 2026
  4

• “Checksum failed” in “LM Studio” for downloaded model files.

  openzfsonwindows/openzfs#623 · Filter by author leonik3 opened on Aug 9, 2026
  21

• The network path is incorrect. Error code: 0x800704b3

  openzfsonwindows/openzfs#621 · Filter by author Jake-comm opened on Aug 9, 2026
  18

• [Bug] BlueScreen when run program on ZFS 2.4.1rc14

  openzfsonwindows/openzfs#620 · Filter by author Jake-comm opened on Aug 5, 2026
  25

• --------- Remaining issues in OpenZFS 2.4.1 rc14 latest on Windows --------------

  openzfsonwindows/openzfs#618 · Filter by author guenther-alka opened on Aug 4, 2026

• bluescreen on first pool import after rc12->rc13 upgrade

  openzfsonwindows/openzfs#613 · Filter by author Orenjdos opened on Jul 12, 2026
  12

• Error 123 under zpool.exe list (-o compatibility)

  openzfsonwindows/openzfs#610 · Filter by author spchamp opened on Jul 9, 2026
  6

• zpool stalls and is unkillable after attempting to import pool of unallocated volume

  openzfsonwindows/openzfs#609 · Filter by author Wormsweat opened on Jul 1, 2026
  8

• Cannot use format.com to format a drive with zfs

  openzfsonwindows/openzfs#607 · Filter by author aureliencouderc opened on Jun 26, 2026
  8

• Creating zpool always assumes 512 byte sector size

  openzfsonwindows/openzfs#606 · Filter by author aureliencouderc opened on Jun 26, 2026
  4