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Error. Another user is running this copy of R-Viewer

G Hall, User (Posts: 6)

May 31, 2014 4:08:51 pm EDT

In trying to run RU Viewer on Windows 8.1, no window opens on run. Attempting to start again shows "Error. Another user is running this copy of R-Viewer"

Any insight appreciated.

Edited:G Hall - May 31, 2014 4:09:18 pm EDT

Conrad Sallian, Support (Posts: 2368)

May 31, 2014 4:39:35 pm EDT

Hello,

The Close button (the red button at the top right corner of the window) in the Viewer hides the program into the system tray . To quit the Viewer use File -> Exit command.

Hope that helps.

G Hall, User (Posts: 6)

May 31, 2014 5:12:49 pm EDT

Support level: Basic

Hi Conrad,

The system tray isn't showing the application as running and it doesn't show on the desktop when run.

Conrad Sallian, Support (Posts: 2368)

May 31, 2014 5:42:58 pm EDT

I recommend rebooting the PC and then trying to run the Viewer. Let me know if that didn't help.

G Hall, User (Posts: 6)

Jun 01, 2014 11:42:49 am EDT

Support level: Basic

No different behaviour after reboot.

Conrad Sallian, Support (Posts: 2368)

Jun 01, 2014 12:27:15 pm EDT

Hello,

Make sure that the program is not blocked by antivirus software. I would recommend explicitly adding the path to the Viewer installation folder to your antivirus software exceptions.

So far I reckon no other explanations for such behavior other than extremely strict security settings or antivirus software activity.

G Hall, User (Posts: 6)

Jun 01, 2014 1:54:11 pm EDT

Support level: Basic

Hi Conrad,

Added the Viewer exe to Windows Defender exclusion list. Same result.

The portable version of Viewer does run OK, on the other hand.

Conrad Sallian, Support (Posts: 2368)

Jun 01, 2014 2:03:53 pm EDT

If so, then the installation got corrupted somehow. Please, uninstall the Viewer, clean up/delete the installation folder and re-install the Viewer this time as an administrator. This should help.

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