Cannot Add New Modem or View Existing Modem Properties
Article ID: 197156
Article Last Modified on 10/31/2006
APPLIES TO
- Microsoft Windows NT Workstation 4.0 Developer Edition
- Microsoft Windows NT Server 4.0 Standard Edition
- Microsoft Windows NT Server 4.0 Enterprise Edition
This article was previously published under Q197156
SYMPTOMS
When you double-click the Modems icon in Control Panel, the Install New
Modem wizard may not start, or the Modems Properties dialog box may not be
displayed.
CAUSE
This behavior can occur if the PnP ISA Enabler service is not started, or
if certain files in the Winnt\System32 folder are missing or damaged.
RESOLUTION
To resolve this issue:
- Verify that the PnP ISA Enabler service is installed. For information on how to do this, see the following Microsoft Knowledge Base article:
156344
Plug and Play Devices Not Detected or Installed
- Verify that the Plug and Play service is started. To do this:
- Click Start, point to Settings, click Control Panel, and then double-click Services.
- Highlight the Plug and Play service. If the Status does not indicate Started, and the Startup mode is not Automatic, click Startup, click Automatic, and then click OK. Click Start, and then click Close.
- Verify that the following files are located in the Winnt\System32
folder:
Shell32.dll
Rpcrt4.dll
Tapi32.dll
Setupapi.dll
Msvcrt.dll
Lz32.dll
Comdlg32.dll
Version.dll
Cfgmgr32.dll
Mpr.dll
Rpcltc1.dll
If any of these files are missing, reapply the latest Windows NT 4.0
Service Pack. For information on obtaining the service pack, query on
the following word in the Microsoft Knowledge Base:
SERVPACK
Keywords: kbenv kbhardware kbprb KB197156