My friend has 8 Winlogon entries in his Event Viewer. 5 of them say that Explorer failed and restarted and the other 3 are the CHDSK logs. The CHKDSK logs all say:

Checking file system on C:

The type of the file system is NTFS.

A disk check has been scheduled.

Windows will now check the disk.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x2.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x2.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x2.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x2.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xa.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xa.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x15.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xe.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xe.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xb.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xe.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x43.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x43.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x43.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x43.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x58.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x58.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6d.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6d.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6d.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3f.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3f.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x22b.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xb0.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3f.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3f.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3f.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3f.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3e.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3d.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3d.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x45.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x45.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x45.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x25.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x15.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x14.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x2e.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xa.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xc.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xc.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6c.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x27.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x13.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9b.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9b.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x50.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x85.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x19.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x79.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xe.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x28.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xa.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x22.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xc4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xc4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8c.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8c.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x38.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x14.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xe.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x4.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xb.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xb.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xb.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xc.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x15.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x30.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x16.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xa.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xe.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xe.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x10.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x10.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xe.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xb.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x19.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x19.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x30.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x31.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x31.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xc.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x3.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xe.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xb.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x12.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xa.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xa.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xa.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x26.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9d.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0xa.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x9.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x7.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x8.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x5.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x27.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x6.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x15.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x19.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x2c.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x2c.

The USA check value, 0x0, at block 0x3 is incorrect.

The expected value is 0x2c.

The

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http://go.microsoft.com/fwlink/events.asp.

What could be the problem?