So this issue has been happening all the time and the fresh install hasn't fixed it?
If so I'd be looking towards either your hard drive or RAM. Check the SMART data on the hard drive with CrystalDiskInfo and check the RAM using Memtest86+.
Here is the information from CrystalDiskInfo, I can't seem to download Memtest, do you have a direct link to the download please? Then I shall upload that information.
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CrystalDiskInfo 5.5.1 (C) 2008-2013 hiyohiyo
Crystal Dew World :
http://crystalmark.info/
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OS : Windows 7 Home Premium Edition SP1 [6.1 Build 7601] (x64)
Date : 2013/04/09 14:03:09
-- Controller Map ----------------------------------------------------------
- ATA Channel 0 (0) [ATA]
- ATA Channel 1 (1) [ATA]
+ ATA Channel 0 (0) [ATA]
- WDC WD5000AAKS-00UU3A0 ATA Device
+ ATA Channel 1 (1) [ATA]
- HL-DT-ST DVDRAM GH22NS50 ATA Device
+ Intel(R) 82801GB/GR/GH (ICH7 Family) Serial ATA Storage Controller - 27C0 [ATA]
- ATA Channel 0 (0)
- ATA Channel 1 (1)
+ Intel(R) 82801G (ICH7 Family) Ultra ATA Storage Controllers - 27DF [ATA]
- ATA Channel 0 (0)
- ATA Channel 1 (1)
-- Disk List ---------------------------------------------------------------
(1) WDC WD5000AAKS-00UU3A0 : 500.1 GB [0/2/0, pd1] - wd
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(1) WDC WD5000AAKS-00UU3A0
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Model : WDC WD5000AAKS-00UU3A0
Firmware : 01.03B01
Serial Number : WD-WCAYU0072739
Disk Size : 500.1 GB (8.4/137.4/500.1/500.1)
Buffer Size : 16384 KB
Queue Depth : 32
# of Sectors : 976773168
Rotation Rate : Unknown
Interface : Serial ATA
Major Version : ATA8-ACS
Minor Version : ----
Transfer Mode : SATA/300
Power On Hours : 17810 hours
Power On Count : 1134 count
Temparature : 34 C (93 F)
Health Status : Good
Features : S.M.A.R.T., AAM, 48bit LBA, NCQ
APM Level : ----
AAM Level : 80FEh [OFF]
-- S.M.A.R.T. --------------------------------------------------------------
ID Cur Wor Thr RawValues(6) Attribute Name
01 200 200 _51 000000000000 Read Error Rate
03 139 138 _21 000000000FC1 Spin-Up Time
04 _99 _99 __0 000000000473 Start/Stop Count
05 200 200 140 000000000000 Reallocated Sectors Count
07 100 253 __0 000000000000 Seek Error Rate
09 _76 _76 __0 000000004592 Power-On Hours
0A 100 100 __0 000000000000 Spin Retry Count
0B 100 100 __0 000000000000 Recalibration Retries
0C _99 _99 __0 00000000046E Power Cycle Count
C0 200 200 __0 000000000044 Power-off Retract Count
C1 200 200 __0 00000000042E Load/Unload Cycle Count
C2 109 _96 __0 000000000022 Temperature
C4 200 200 __0 000000000000 Reallocation Event Count
C5 200 200 __0 000000000000 Current Pending Sector Count
C6 200 200 __0 000000000000 Uncorrectable Sector Count
C7 200 200 __0 000000000000 UltraDMA CRC Error Count
C8 200 200 __0 000000000000 Write Error Rate
-- IDENTIFY_DEVICE ---------------------------------------------------------
0 1 2 3 4 5 6 7 8 9
000: 427A 3FFF C837 0010 0000 0000 003F 0000 0000 0000
010: 2020 2020 2057 442D 5743 4159 5530 3037 3237 3339
020: 0000 8000 0032 3031 2E30 3342 3031 5744 4320 5744
030: 3530 3030 4141 4B53 2D30 3055 5533 4130 2020 2020
040: 2020 2020 2020 2020 2020 2020 2020 8010 0000 2F00
050: 4001 0000 0000 0007 3FFF 0010 003F FC10 00FB 0110
060: FFFF 0FFF 0000 0007 0003 0078 0078 0078 0078 0000
070: 0000 0000 0000 0000 0000 001F 1706 0000 0044 0040
080: 01FE 0000 746B 7F61 4123 7469 BC41 4123 207F 0028
090: 0028 0000 FFFE 0000 80FE 0000 0000 0000 0000 0000
100: 6030 3A38 0000 0000 0000 0000 0000 0000 5001 4EE1
110: 0285 6A9E 0000 0000 0000 0000 0000 0000 0000 4018
120: 4018 0000 0000 0000 0000 0000 0000 0000 0029 0000
130: 0000 0000 0000 16FE 0125 0000 0000 0000 0000 0000
140: 0000 0000 0004 0000 0000 0000 0000 0000 0000 0000
150: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
160: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
170: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
180: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
190: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
200: 0000 0000 0000 0000 0000 0000 3037 0000 0000 0000
210: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
220: 0000 0000 101E 0000 0000 0000 0000 0000 0000 0000
230: 0000 0000 0000 0000 0001 1000 0000 0000 0000 0000
240: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
250: 0000 0000 0000 0000 0000 DCA5
-- SMART_READ_DATA ---------------------------------------------------------
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 10 00 01 2F 00 C8 C8 00 00 00 00 00 00 00 03 27
010: 00 8B 8A C1 0F 00 00 00 00 00 04 32 00 63 63 73
020: 04 00 00 00 00 00 05 33 00 C8 C8 00 00 00 00 00
030: 00 00 07 2E 00 64 FD 00 00 00 00 00 00 00 09 32
040: 00 4C 4C 92 45 00 00 00 00 00 0A 32 00 64 64 00
050: 00 00 00 00 00 00 0B 32 00 64 64 00 00 00 00 00
060: 00 00 0C 32 00 63 63 6E 04 00 00 00 00 00 C0 32
070: 00 C8 C8 44 00 00 00 00 00 00 C1 32 00 C8 C8 2E
080: 04 00 00 00 00 00 C2 22 00 6D 60 22 00 00 00 00
090: 00 00 C4 32 00 C8 C8 00 00 00 00 00 00 00 C5 32
0A0: 00 C8 C8 00 00 00 00 00 00 00 C6 30 00 C8 C8 00
0B0: 00 00 00 00 00 00 C7 32 00 C8 C8 00 00 00 00 00
0C0: 00 00 C8 08 00 C8 C8 00 00 00 00 00 00 00 00 00
0D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 82 00 2C 1F 01 7B
170: 03 00 01 00 02 5F 05 00 00 00 00 00 00 00 00 00
180: 00 00 01 02 00 00 00 00 00 00 00 00 00 00 00 00
190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 A7
-- SMART_READ_THRESHOLD ----------------------------------------------------
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 10 00 01 33 C8 C8 00 00 00 00 00 00 00 00 03 15
010: 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00
020: 00 00 00 00 00 00 05 8C 00 00 00 00 00 00 00 00
030: 00 00 07 00 64 64 00 00 00 00 00 00 00 00 09 00
040: 00 00 00 00 00 00 00 00 00 00 0A 00 00 00 00 00
050: 00 00 00 00 00 00 0B 00 00 00 00 00 00 00 00 00
060: 00 00 0C 00 00 00 00 00 00 00 00 00 00 00 C0 00
070: 00 00 00 00 00 00 00 00 00 00 C1 00 00 00 00 00
080: 00 00 00 00 00 00 C2 00 00 00 00 00 00 00 00 00
090: 00 00 C4 00 00 00 00 00 00 00 00 00 00 00 C5 00
0A0: 00 00 00 00 00 00 00 00 00 00 C6 00 00 00 00 00
0B0: 00 00 00 00 00 00 C7 00 00 00 00 00 00 00 00 00
0C0: 00 00 C8 00 C8 C8 00 00 00 00 00 00 00 00 00 00
0D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 D5