Tod Dot

Update: second affected machine (UFS storage, 4K sectors) Tested a second machine with a different vendor, storage type and controller. The same buffer alignment issue is present, plus a 4K sector size. Environment Machine: ASUS Vivobook Go 15 E1504TA BIOS: E1504TA.311 (2025-11-13), UEFI, GPT OS: Windows 11 Pro 25H2, build 26200.8037 Drive: MICRON MT256GBEAZ4U31, firmware 0102, soldered UFS (not NVMe, not replaceable) Controller: Intel Universal Flash Storage (UFS) Host Controller (storufs 10.0.26100.7920)...

Summary System encryption pretest fails on a Lenovo ThinkPad X1 Carbon Gen 14 with "The parameter is incorrect. Source: VeraCrypt::File::Write:959" (1.26.24) and "VeraCrypt::File::Write:1024" (1.26.29). The root cause appears to be buffer alignment: the NVMe drive / stornvme reports AlignmentMask = 0xF (16-byte), and Windows rejects raw disk I/O whose buffer address is not 16-byte aligned with ERROR_INVALID_PARAMETER (87). Most drives report AlignmentMask = 0x3 (4-byte), which is why the issue does...