ch340芯片usb转串口使用频繁断线，懂得帮忙看看，谢谢了
ch340芯片usb转串口使用时：
1.在有些电脑上会频繁断线，有些电脑上则不会
2.出现的操作系统有winxp和win2000，别的没有测试
3.出现的频率在不同的电脑上不太一样，最多的一天十几次，很多的都是平均一天一次，使用时间是早上8点到晚上5点
第一次发帖求助，非常谢谢大家帮忙看看
使用的驱动如下：
HKR, , Enumerator, , serenum.vxd
;上面这行用于枚举接在串口的即插即用设备,启动时将产生DTR和RTS信号,如果需要枚举,请将上面这行的分号去掉
[CH341SER.AddReg]
HKLM, SOFTWARE\WinChipHead\IC\CH341SER, WDM, 0x00010001, 0x00000026
HKLM, SOFTWARE\WinChipHead\IC\CH341PORT, DLL, 0x00010001, 0x00000010
HKLM, SOFTWARE\WinChipHead\IC\CH341SER, Function, , "USB=>Serial"
;HKLM, SYSTEM\CurrentControlSet\Services\CH341SER, UserRemoval, 0x00010001, 0x00000001
;上面这行用于在系统托盘中显示“安全删除USB转SERIAL硬件设备”，便于用户手工删除硬件
[CH341S98.AddReg]
HKLM, SOFTWARE\WinChipHead\IC\CH341SER, VXD, 0x00010001, 0x00000022
[CH341SER_Install.NT.Services]
AddService = CH341SER, 2, CH341SER.Service
[CH341SER.Service]
DisplayName = "CH341SER"
ServiceType = 1
StartType = 3
ErrorControl = 1
ServiceBinary = %10%\System32\Drivers\CH341SER.SYS
[DestinationDirs]
DefaultDestDir = 10, System32\Drivers
CH341S98.DelFiles.SYS = 11
CH341SER.CopyFiles.SYS = 10, System32\Drivers
CH341SER.NT.CopyFiles.SYS = 10, System32\Drivers
CH341S98.CopyFiles.VXD = 11
CH341SER.CopyFiles.DLL = 11
[SourceDisksFiles]
CH341SER.SYS = 1
CH341S98.SYS = 1
CH341SER.VXD = 1
[SourceDisksNames]
1 = "CH341 Serial Installation Disk", CH341SER.INF, ,
[Strings]
WinChipHead = "wch.cn"
CH341SER.DeviceDesc = "USB-SERIAL CH341"
CH341S98.DeviceDesc = "USB-SERIAL CH341"
CH340SER.DeviceDesc = "USB-SERIAL CH340"
CH341ASER.DeviceDesc = "USB-SERIAL CH341A"
