Q: Remote Desktop Connection Problem


Though it has always worked OK, for over a year, I get the following error, whenever I attempt to connect to any other computer: "Remote Desktop Connection has encountered a problem and needs to close."  It then only gives me the option of sending a report to Microsoft or not, and to cliek "OK" to close.  In the technical details of the message to Microsoft, the "Code:" is "0xc0000005".  The error signature is: "AppName: mstsc.exe     AppVer: 6.0.6001.18000     ModName: 
 mstscax.dll     ModVer: 6.0.6001.18000     Offset: 0015b2f5"

This behavior started after I had resolved a boot-up problem (various processes [including occasionally, Windows Explorer] would report an initialization failure, and that module would not be available to use until after another reboot, and the specific one or two modules/processes would vary from reboot to reboot), which I finally resolved by using the boot menu to "boot using last known good configuration".  After doing that "last known good" reboot, the system settled down and there were no more module initialization errors.  However, I then noticed the Remote Desktop problem that I described above.

I have used the "netdiag" utility (netdiag /test:winsock /v) and the TCP/IP and winsock configurations look OK.  I have no trouble connecting to websites or FTP sites, and I also have no problem connecting to the same group of remote computers, at various IP Addresses, by using Real VNC.  However I do prefer the functionality of MS Remote Desktop.

Here's my system (no recent changes):
  Compaq EVO W4000 Workstation, P4 2.4GHz, 2 GB PC2100 DDR RAM; NVIDIA Quadro NVS (dual head); Intel PRO/100 
  VM Network Adapter;
  Windows XP Pro SP3; WatchGuard Mobile VPN Lite Client (with Deterministic Network Enhancer & SafeNet Virtual Net 
  Adapter); Net2Printer RDP Client software

I've uninstalled and re-installed the WatchGuard and Net2Printer software, with reboot and testing between uninstalls and re-installs, without any effect on the problem.  I've also copied the files, mstsc.exe and mstscax.dll, from a known good WinXP SP3 machine into the problem system without any effect on the problem.

Please advise.  I'm stumped!  Thanks.

Bob Hakes



Hi Bob,

Thanks for posting your question. This is a Windows Vista support forum but I’ll be happy to offer some suggestions that might get you pointed in the right direction. If these suggestions do not assist I would recommend checking Windows XP specific resources: <Link to KB> <Link to Windows XP home page> <Link to Windows XP ‘Help and How to’> <Link to Windows XP newsgroups>

You might want to post in the TechNet forum also to help troubleshoot your problem.

Let us know if you have any other questions,

Microsoft Answers Support Engineer
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Views: 6,341 Last updated: March 25, 2018 Applies to: