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So I recently got a new computer running Windows 7, installed the latest version of TightVNC Server (not as a service, just a standalone app that runs on startup).

I'm logging in via an XP box, using the most recent version of the TightVNC client. The login process itself works smoothly, and I can use the computer remotely... for a while. After variable length of time (30 minutes to 2 hours, roughly), the VNC window stops updating, then closes as the computer reboots. Specifically, it drops a socket error message.

After the computer's rebooted, I can connect to the server, but after authentication, VNC freezes in the middle of the initial refresh, then disconnects as the server reboots again.

General advice or suggestions?

Additional info:

After restarting, it does display the 'Windows has encountered an error and had to restart, would you like to let MS know?' window; if I expand the 'More Info' thing on the bottom, I get:

Problem Event Name: BlueScreen OS Version: 6.1.7600.2.0.0.768.3 Locale ID: 1033

plus a bit more identification data that I just lost.

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  • Our school uses TightVNC on Windows XP. It doesn't work well. It makes the computer run slow or freeze, so I think that it is a problem with TightVNC in general. Try some other software. Nov 25, 2009 at 23:23
  • I've had good results with TightVNC; I used it on my old XP box at home with almost nothing in the way of problems for two-three years, save some fiddling with ports on my router.
    – user19287
    Nov 25, 2009 at 23:39
  • Turn on error reporting, disable the reboot on error, and see if the machine blue-screens.
    – user3463
    Nov 26, 2009 at 14:02

3 Answers 3

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Try RealVNC or UltraVNC and see if it makes a difference.

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  • Haven't tried RealVNC; did install UltraVNC, but it died on me after about two hours and I haven't been able to reconnect in.
    – user19287
    Nov 27, 2009 at 19:46
  • Got home, found out that it hadn't restarted. This looks like it might be a more workable solution. Thanks!
    – user19287
    Nov 30, 2009 at 17:53
  • Excellent. As specified in Andrei's reply tunneling VNC through SSH is a good idea as VNC is completely unsecured. CopSSH has worked very well for me in the past.
    – moshen
    Dec 2, 2009 at 17:01
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There was a known problem with the previous version (1.1.68) of DFMirage Driver used by TightVNC on Vista/7. You need to make sure that you installed the latest DFMirage (2.0.105 currently). You can find the most recent version here:

http://www.demoforge.com/dfmirage.htm

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I try to avoid VNC as it seems too slow for me.

I'd recommend CopSSH + Tunnelier or TeamViewer (portablapps.org)

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  • The slowdown isn't an issue for me. Have you run Teamviewer in a Win7 environment?
    – user19287
    Nov 27, 2009 at 21:28

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