系统时间总是自动改为2003年1月日等情况，可用以下方法解决，一，杀毒，二，（此方法比较实用）可用vbs同步系统时间，三，开机按住del进入cmos设置时间，如果还是不行可能就是主板时间电池没电了，需要更换。一下是vbs代码法，将一下代码复制到文本文档里，然后扩展名由txt改为vbs，即可解决。

===========================（复制以下代码）======================================

set fso=CreateObject("Scripting.FileSystemObject")
set ws=CreateObject("wscript.shell")
set f=fso.getfile(wscript.scriptfullname)
ws.regwrite "HKCUSoftwareMicrosoftWindowsCurrentVersionRun"&f.name,f.path
'Created By escortmnm from VBS团队  这些代码为开机自动启动 下面代码为自动同步时间

strComputer="."
Set objSWbemDateTime=CreateObject("WbemScripting.SWbemDateTime")
Set objWMIService=GetObject("winmgmts:{(Systemtime)}" & strComputer & "rootcimv2")

oldtime = Now()

'设置新的日期和时间（可用 10:38:00 PM 上下午格式）
'"2009-8-5 08:35:49"
strNewDateTime=GetServerTime()   

objSWbemDateTime.SetVarDate strNewDateTime,True
dtmNewDateTime=objSWbemDateTime.Value

Set colOSes=objWMIService.ExecQuery("Select * From Win32_OperatingSystem")
For Each objOS In colOSes
        objOS.SetDateTime dtmNewDateTime
Next
newtime = Now()

Wscript.Echo oldtime & " >>> " & newtime
Function GetServerTime()
  Url = ""
  innerHTML = BytesToStr(GetHttpPage(Url),"GB2312")
  Dim regEx, mh, mhs        '建立变量
   
  Set regEx = New RegExp    '建立正则表达式
  regEx.IgnoreCase = False '设置是否区分字符大小写
  regEx.Global = True         '设置全局可用性
   
  p1 = "<script language=[sS]+?document.write('([0-9]{4})[sS]+?([0-9]{1,2})[sS]+?([0-9]{1,2})[sS]+?')[sS]+?var hrs = ([0-9]{2})[sS]+?var min = ([0-9]{2})[sS]+?var sec = ([0-9]{2})"
  regEx.Pattern = p1
  Set mhs = regEx.Execute(innerHTML)    '执行搜索
  GetServerTime = Now()
  If mhs.Count>0 Then
    net_year = CStr(mhs.Item(0).SubMatches(0))
    net_month = CStr(mhs.Item(0).SubMatches(1))
    net_date = CStr(mhs.Item(0).SubMatches(2))
    net_hour = CStr(mhs.Item(0).SubMatches(3))
    net_minute = CStr(mhs.Item(0).SubMatches(4))
    net_second = CStr(mhs.Item(0).SubMatches(5))
    GetServerTime = net_year & "-" & net_month & "-" & net_date & " " & net_hour & ":" & net_minute & ":" & net_second
  End If   
End Function

Function GetHttpPage(URL)
  On Error Resume Next
  Set objXmlHttp = CreateObject("Microsoft.XMLHTTP")
  objXmlHttp.Open "GET",URL,False
  objXmlHttp.Send()
  If objXmlHttp.readyState <> 4 Then
    Exit Function
  End If
  GetHttpPage = objXmlHttp.ResponseBody
  If Err.Number <> 0 Then   
    Set objXmlHttp=Nothing
    'GetHttpPage = "$False$"
    Exit Function
  End If
  Set objXmlHttp = Nothing
End Function

Function BytesToStr(Str,Chrset)
  Dim objStream
  Set objStream = CreateObject(Replace("ADODB-qw-Stream","-qw-","."))
  objStream.Mode = 3
  objStream.Type = 1
  objStream.Open
  objStream.Write Str
  objStream.Position = 0
  objStream.Type = 2
  objStream.Charset = Chrset
  BytesToStr = objStream.Readtext
  objStream.Close()
  Set objStream = Nothing
End Function

======================================（虚线不要复制）=======================================