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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

Support level: Free or trial

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: 2501)

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: Free or trial

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: 2501)

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: Free or trial

No different behaviour after reboot.

Conrad Sallian, Support (Posts: 2501)

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: Free or trial

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: 2501)

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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