Have you installed it in the past? (that was my question)
In the event log, there are some references to it.
We know you had the following BSODs, but we don't know what other BSODs you got after removing vgk.sys (riot client and riot vanguard?), i.e. after 14 January.
[hide][code]KMODE_EXCEPTION_NOT_HANDLED 0x0000001e {0xffffffffc000001d, 0xfffff80199cf0305, 0x00000000001ee8fb, 0x0000000000000000}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0xffffa3876ef90000, 0x0000000000000002, 0x0000000000000001, 0xfffff803e03684f6}
KMODE_EXCEPTION_NOT_HANDLED 0x0000001e {0xffffffffc0000096, 0xfffff805c78bcd5c, 0x0000000000000000, 0x0000000000000000}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0xffffa40326777e08, 0x0000000000000002, 0x0000000000000000, 0xfffff802a1882080}
HYPERVISOR_ERROR 0x00020001 {0x0000000000000011, 0x000000000021436b, 0x0000000000001005, 0xffffe70000005940}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0xffffd5010f3e7140, 0x00000000000000ff, 0x000000000000004c, 0xfffff806f10b85f3}
HYPERVISOR_ERROR 0x00020001 {0x0000000000000011, 0x00000000002f5e5d, 0x000000000000100f, 0xffffe70001005be0}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0xffff9487a36a7770, 0x0000000000000002, 0x0000000000000000, 0xfffff8007a812066}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0x000000009db59b8c, 0x0000000000000002, 0x0000000000000000, 0xfffff807cb8fffef}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0xfffff002c1c1544a, 0x0000000000000002, 0x0000000000000000, 0xfffff802c1012b12}
KMODE_EXCEPTION_NOT_HANDLED 0x0000001e {0xffffffffc000001d, 0xfffff803974f0305, 0x0000000000025971, 0x0000000000000000}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0xfffff000d1bce6e0, 0x00000000000000ff, 0x0000000000000043, 0xfffff800d10aa34f}
PAGE_FAULT_IN_NONPAGED_AREA 0x00000050 {0xfffffbfc2b8c7610, 0x0000000000000080, 0xfffff80497182791, 0x0000000000000002}
KMODE_EXCEPTION_NOT_HANDLED 0x0000001e {0xffffffffc000001d, 0xfffff8049dcf0305, 0x0000000000217fc3, 0x0000000000000000}
KERNEL_SECURITY_CHECK_FAILURE 0x00000139 {0x0000000000000003, 0xfffff50fc692f460, 0xfffff50fc692f3b8, 0x0000000000000000}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0x0000000000000000, 0x0000000000000002, 0x0000000000000000, 0xfffff806a968ec0f}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0x0000400000000002, 0x0000000000000002, 0x0000000000000000, 0xfffff800d98efc6d}
DRIVER_VERIFIER_DETECTED_VIOLATION 0x000000c4 {0x0000000000000062, 0xffffcf854c994da0, 0xffffcf854c9f9bb0, 0x0000000000000001}
DRIVER_VERIFIER_DETECTED_VIOLATION 0x000000c4 {0x00000000000000e4, 0xfffff804684938d3, 0xffff9a003333ee78, 0x0000000000000000}
PAGE_FAULT_IN_NONPAGED_AREA 0x00000050 {0xffffdb8cbcc1c000, 0x0000000000000011, 0xffffdb8cbcc1c000, 0x0000000000000002}
UNEXPECTED_KERNEL_MODE_TRAP 0x0000007f {0x0000000000000008, 0xffff86018c7cde70, 0x0000000000000000, 0xfffff8007de3e20a}
INTERRUPT_EXCEPTION_NOT_HANDLED 0x0000003d {0xffffbd0157ab2bd8, 0xffffbd0157ab23c0, 0x0000000000000000, 0x0000000000000000}
KMODE_EXCEPTION_NOT_HANDLED 0x0000001e {0xffffffffc0000005, 0xfffff802caab059d, 0x0000000000000000, 0xffffffffffffffff}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0xffffb603934cce88, 0x0000000000000002, 0x0000000000000000, 0xfffff807b918f00a}
KMODE_EXCEPTION_NOT_HANDLED 0x0000001e {0xffffffffc0000005, 0xfffff80186b8acea, 0x0000000000000000, 0xffffffffffffffff}
IRQL_NOT_LESS_OR_EQUAL 0x0000000a {0xffffb38f0bb00680, 0x0000000000000002, 0x0000000000000000, 0xfffff802ba00d570}
KERNEL_SECURITY_CHECK_FAILURE 0x00000139 {0x0000000000000003, 0xfffff8057ce06430, 0xfffff8057ce06388, 0x0000000000000000}
DRIVER_VERIFIER_DETECTED_VIOLATION 0x000000c4 {0x0000000000000062, 0xffffa9045bb16da0, 0xffffa904580f2530, 0x0000000000000001}
11 IRQL_NOT_LESS_OR_EQUAL
6 KMODE_EXCEPTION_NOT_HANDLED
3 DRIVER_VERIFIER_DETECTED_VIOLATION
2 HYPERVISOR_ERROR
2 PAGE_FAULT_IN_NONPAGED_AREA
2 KERNEL_SECURITY_CHECK_FAILURE
1 INTERRUPT_EXCEPTION_NOT_HANDLED
1 UNEXPECTED_KERNEL_MODE_TRAP
28 TOTAL[/code][/hide]Could you post fresh logs (sysnative file collection app)?
