Random BSOD crashes periodically

After upgrading from Visa 64bit to Windows 7 64bit, I average 3-4 BSODs a week. I have ran memory tests and a disk check, both of which completed with no issue.

What memory test did you run - and what sort of disk check?
Please run the following free diagnostics if you haven't run these tests:

H/W Diagnostics:
Please start by running these bootable hardware diagnostics:
Memory Diagnostics (read the details at the link)
HD Diagnostic (read the details at the link)

Also, please run one of these free, independent online malware scans to ensure that your current protection hasn't been compromised: Malware (read the details at the link)

23 memory dumps uploaded, all appear to be STOP 0x50's (more info on the error here: BSOD Index )
They were generated between 8 Feb and 27 Feb 2010
They blame NTFS.sys for causing the problem - so running the hard drive diagnostic described above is essential. Also, run CHKDSK /R if you haven't run it already:

CHKDSK /R /F:
Run CHKDSK /R /F from an elevated (Run as adminstrator) Command Prompt. Please do this for each hard drive on your system.
When it tells you it can't do it right now - and asks you if you'd like to do it at the next reboot - answer Y (for Yes) and press Enter. Then reboot and let the test run. It may take a while for it to run, but keep an occasional eye on it to see if it generates any errors. See "CHKDSK LogFile" below in order to check the results of the test.

Elevated Command Prompt:
Go to Start and type in "cmd.exe" (without the quotes)
At the top of the Search Box, right click on Cmd.exe and select "Run as administrator"

CHKDSK LogFile:
Go to Start and type in "eventvwr.msc" (without the quotes) and press Enter
Expand the Windows logs heading, then select the Application log file entry.
Double click on the Source column header.
Scroll down the list until you find the Chkdsk entry (wininit for Win7) (winlogon for XP).
Copy/paste the results into your next post.

Also, please remove or update these older drivers that were loaded at the time of the crash. Don't use Windows Update or the Update drivers function of Device Manager.
Please use the following instructions to locate the most currently available drivers to replace the one's that you uninstall OR remove:

How To Find Drivers:
- search Google for the name of the driver
- compare the Google results with what's installed on your system to figure out which device/program it belongs to
- visit the web site of the manufacturer of the hardware/program to get the latest drivers (DON'T use Windows Update or the Update driver function of Device Manager).
- if there are difficulties in locating them, post back with questions and someone will try and help you locate the appropriate program.

- - The most common drivers are listed on this page: Driver Reference
- - Driver manufacturer links are on this page: http://www.carrona.org/drvrdown.html

Here's the older drivers. Please pay particular attention to any dated 2007 or earlier:

Code:

agrsm64.sys  Mon Nov 10 10:01:35 2008 - Agere Systems Soft Modem - http://www.carrona.org/dvrref.html#agrsm64.sys
RTL85n64.sys Fri May 09 03:30:24 2008 - Realtek 8185 Extensible 802.1b/g driver - http://www.carrona.org/dvrref.html#RTL85n64.sys

Summary of the BSOD's:

Code:

Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Tue Feb  9 00:44:10.339 2010 (GMT-5)
System Uptime: 0 days 0:47:53.430
BugCheck 50, {fffff8a114619538, 0, fffff8800122d2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Mon Feb  8 21:25:57.622 2010 (GMT-5)
System Uptime: 0 days 17:07:34.486
BugCheck 50, {fffff8a10e32fcc8, 0, fffff880012262bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Tue Feb  9 08:32:48.434 2010 (GMT-5)
System Uptime: 0 days 7:26:23.151
BugCheck 50, {fffff8a11a693968, 0, fffff880012132bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Tue Feb  9 15:08:21.693 2010 (GMT-5)
System Uptime: 0 days 1:05:55.410
BugCheck 50, {fffff8a11c95f462, 0, fffff880010562bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  ehshell.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Tue Feb  9 14:00:51.081 2010 (GMT-5)
System Uptime: 0 days 5:19:39.172
BugCheck 50, {fffff8a11b6f44b8, 0, fffff8800120c2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Tue Feb  9 15:13:10.339 2010 (GMT-5)
System Uptime: 0 days 0:03:30.430
BugCheck 50, {fffff8a10c1100a2, 0, fffff8800121f2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  ehshell.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Tue Feb  9 01:04:45.795 2010 (GMT-5)
System Uptime: 0 days 0:18:51.512
BugCheck 50, {fffff8a10b5ef6e8, 0, fffff8800122e2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Thu Feb 11 20:41:37.778 2010 (GMT-5)
System Uptime: 0 days 4:12:30.870
BugCheck 50, {fffff8a121e3ec08, 0, fffff880012242bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Sat Feb 13 14:54:55.931 2010 (GMT-5)
System Uptime: 1 days 10:29:28.813
BugCheck 50, {fffff8a1039e4cd8, 0, fffff8800123c2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Sat Feb 13 23:55:38.585 2010 (GMT-5)
System Uptime: 0 days 8:57:35.403
BugCheck 50, {fffff8a10f08a7b8, 0, fffff880012122bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Sun Feb 14 15:03:41.499 2010 (GMT-5)
System Uptime: 0 days 14:21:16.723
BugCheck 50, {fffff8a1191e2a68, 0, fffff8800121e2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Mon Feb 15 06:16:12.100 2010 (GMT-5)
System Uptime: 0 days 15:11:01.817
BugCheck 50, {fffff8a1181de4b8, 0, fffff8800120b2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Wed Feb 17 22:02:44.455 2010 (GMT-5)
System Uptime: 0 days 9:54:05.546
BugCheck 50, {fffff8a11550c608, 0, fffff8800123d2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Tue Feb 16 16:25:13.126 2010 (GMT-5)
System Uptime: 0 days 0:04:34.217
BugCheck 50, {fffff8a10a1b9aa8, 0, fffff880012142bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmpnetwk.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Thu Feb 18 15:49:19.757 2010 (GMT-5)
System Uptime: 0 days 2:35:44.849
BugCheck 50, {fffff8a10fdb4828, 0, fffff8800125f2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Thu Feb 18 21:15:59.068 2010 (GMT-5)
System Uptime: 0 days 5:24:55.785
BugCheck 50, {fffff8a1090a5be8, 0, fffff8800124a2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Thu Feb 18 13:11:23.155 2010 (GMT-5)
System Uptime: 0 days 15:06:35.262
BugCheck 50, {fffff8a1139b7828, 0, fffff880012182bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Thu Feb 25 20:59:55.949 2010 (GMT-5)
System Uptime: 0 days 0:06:57.666
BugCheck 50, {fffff8a10d7b75b8, 0, fffff8800101f2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Thu Feb 25 20:51:03.999 2010 (GMT-5)
System Uptime: 1 days 0:53:50.716
BugCheck 50, {fffff8a10de57d68, 0, fffff880012242bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Fri Feb 26 15:53:51.811 2010 (GMT-5)
System Uptime: 0 days 4:26:47.903
BugCheck 50, {fffff8a10f653188, 0, fffff8800121d2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Fri Feb 26 16:06:20.445 2010 (GMT-5)
System Uptime: 0 days 0:10:29.162
BugCheck 50, {fffff8a10ff79588, 0, fffff880010652bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmpnetwk.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Sat Feb 27 21:54:33.161 2010 (GMT-5)
System Uptime: 0 days 0:28:31.252
BugCheck 50, {fffff8a10d8be744, 0, fffff880012212bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  ehshell.exe
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Sat Feb 27 21:24:12.642 2010 (GMT-5)
System Uptime: 0 days 3:10:08.733
BugCheck 50, {fffff8a10ac50d68, 0, fffff8800121d2bd, 5}
Probably caused by : Ntfs.sys ( Ntfs!memmove+2d )
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  wmplayer.exe

Not a problem - I'll get notified when you post to this thread so I can come back to see what's going on.

No problems with the chkdsk.
If the tests don't point anything out we've still got a few more tricks up our sleeves.
Good luck!