re: Mup.sys? Hangs but not? Wha's happening?
Friday, February 13, 2004 at 5:55 pm
Windows XP Annoyances Discussion Forum
Posted by Jerry
(5 messages posted)
Sorry to hear that. While I was trying my stuff, a friend of mine did some research
and gave me this info about mup.sys. I hope it will help you:
Applications Use the MUP or the WNet API for Network Access (103925)
SUMMARY
A Multiple UNC (uniform naming convention) Provider (MUP) is a network resource locator
that runs in kernel-mode memory in Windows NT. The types of resources it locates
are based on UNC. Applications use either UNC names or the WNet API to access resources
on the network.
UNC names are a method of identifying share names on a network. A typical UNC name
begins with two backslashes followed by a server name:
\\server\share\subdirectory\filename
WNet is a part of the Win32 API set that allows applications running on Windows NT
workstations to connect to multiple networks, browse resources, and transfer data
between computers on other networks. File Manager is an example of how the WNet functionality
is implemented to provide network browsing and connections to other computers.
The MUP is a program unlike TDI and NDIS boundary layers. The MUP receives commands
containing UNC names from applications and sends the name to each registered UNC
provider, LAN Manager workstation, and any others that are installed. When a provider
identifies a UNC name as it's own, the MUP automatically redirects future instances
of that name to that provider.
Registry information about the MUP is in the following path:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Mu
"Windows Could Not Start Because the Following File Is Missing or Corrupt: Isapnp.sys"
Error Message at Startup (315311)
SYMPTOMSWhen you try to start Microsoft Windows 2000 or Windows XP, you may receive
one of the following error messages, depending on your operating system. Windows
XPWindows could not start because the following file is missing or corrupt:\windows\System32\Drivers\Isapnp.sys
Windows 2000Windows could not start because the following file is missing or corrupt:\Winnt\System32\Drivers\Isapnp.sys
CAUSEThis issue may occur if the Isapnp.sys file is damaged or is not present in
the path that the error message specifies. RESOLUTIONTo resolve this issue, use Recovery
Console to replace the Isapnp.sys file. Windows XPTo replace the Isapnp.sys file
in Windows XP, follow these steps: Start the computer from the Windows XP CD-ROM.
At the Welcome to Setup screen, press R to repair, and then press C to start Recovery
Console. At the C:\Windows prompt, type the following command, and then press ENTER:
ren c:windows\system32\drivers\isapnp.sys isapnp.oldAt the C:\Windows prompt, type
the following command, and then press ENTER: expand cd-romdrive:\i386\isapnp.sy_
c:\windows\system32\drivers\isapnp.sysFor example, type: expand d:\i386\isapnp.sy_
c:\windows\system32\driversAfter the file is successfully expanded, type exit, and
then press ENTER to exit Recovery Console. Restart the computer.Windows 2000To replace
the Isapnp.sys file in Windows 2000, follow these steps: Start the computer from
the Windows 2000 CD-ROM. At the Welcome to Setup screen, press R to repair, and then
press C to start Recovery Console. At the C:\Winnt prompt, type the following command,
and then press ENTER:expand cd-romdriveletter:\i386\isapnp.sy_ c:\winnt\system32\drivers\isapnp.sysFor
example, type: expand d:\i386\isapnp.sy_ c:\winnt\system32\driversAfter the file
is successfully expanded, type exit to exit Recovery Console. Restart the computer.
On Friday, February 13, 2004 at 2:20 pm, Fisu wrote:
>I was full of hope when I tried this same trick todat.... with no luck.. So my 120GB
>drive is still hanging my pc.. This wouldn't be so big of a deal but that HD has
>all my work and university files...I'm kinda getting hopeless.. I think I'm going
>to try and put that HD to someone elses PC and try if it works... Meanwhile I'm
hitting
>my head to the table (and it's getting painful 'cos it has been 3 days since the
>hang up...)
>
>
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