After more 2 000 000 (two million) views on forum for 1.5.0.x development versions... and 1.6.1.0, 1.6.3.0-dev versions
A new stable version, UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 have been released: https://forum.uvnc.com/viewtopic.php?t=38095
Feedback is always welcome

2025-12-05: Celebrating the 23th anniversary of the UltraVNC (26th anniversary since the laying of the foundation stone): https://forum.uvnc.com/viewtopic.php?t=38130

2025-12-03: Could you please complete our poll/survey? Renaming UltraVNC files and service to be more clear: https://forum.uvnc.com/viewtopic.php?t=38128
There was a problem to vote, it is solved now! Thanks in advance!

2025-12-02: We need help: English Wikipedia UltraVNC page has been requested to deletion: https://forum.uvnc.com/viewtopic.php?t=38127
Any help is welcome to improve the UltraVNC page and/or to comment on the Wikipedia Talk page

2025-05-06: Forum password change request: https://forum.uvnc.com/viewtopic.php?t=38078

2023-09-21: Important: Please update to latest version before to create a reply, a topic or an issue: https://forum.uvnc.com/viewtopic.php?t=37864

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Win8 New Install

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CharlieA123
Posts: 1
Joined: 2014-03-30 15:26

Win8 New Install

Post by CharlieA123 »

With the demise of logmein free I am now trying to go back to UVNC. I had it on a few XP boxes in the past with no issues.

I downloaded the latest versions 1.1.9.6 64 bit on my Windows 8 computer and 32 bit ver on my XP Pro computer.

Currently I am trying to access my XP computer at work from my Windows 8 laptop at home. I can log in with no issues (yes admin password is different from viewer password) but cannot click with mouse. I see the cursor (and dot) and can move it around. I've tried a few things picked up from here and there but to no avail. Even tried uninstalling and installing older 1.0.9.5 version and same issue.

What is the fix for this? Is it a Windows 8 issue? Software issue? Any help would be appreciated.
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Rudi De Vos
Admin & Developer
Admin & Developer
Posts: 6978
Joined: 2004-04-23 10:21
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Re: Win8 New Install

Post by Rudi De Vos »

It's a UAC issue.

Solution
1) If you start winvnc.exe manual, use "runas admin" to elevate winvnc to get UAC access.
2) Start winvnc as service, a service always have UAC access.

When you run winvnc.exe as administrator, but without runas the input/clicks block as soon
as you have one "system" window open. UAC block mous/keyboard injection from windows with a lower elevation.
If you start an appliaction with runas admin ->winvnc also need to have uac access
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