rules file

[artble]

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when i ran the program i got
Gtk-Message: 20:21:18.318: Failed to load module "xapp-gtk3-module"
Qt: Session management error: Could not open network socket

also the app showed me (translatet from my native language)
"make sure that you copied file of rules udev to /etc/udev/rules.d/60-openhantek.rules or /usr/lib/udev/rules.d/60-openhantek.rules to get proper access premitions to USD.
All i have is demo mode, how do i get normal mode which actually works?

[artble]

also after i chose my device DSO-6022BE, there was a messege "connection failed! UploadFirmware: Couldn't open device: Access denied (insufficient premissions)

[Ho-Ro]

Bug report - please fill the relevant info to help me to help you

Describe the bug
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To Reproduce
IMPORTANT: Always unplug and replug the scope if used before with a different application, e.g. sigrok or the original Hantek software.
No support for non-Linux related issues unless a volunteer steps in!

Steps to reproduce the behavior:

1. Go to '...'
2. Select '....'
3. See error

Expected behavior
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Screenshots
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Computer environment (please complete the following information):

• OpenHantek version: [use always the latest commit, e.g. release v2.03, commit 1a2b3c4, ...]
• OS: [e.g. linux, macOS, windows, ...]
• Distribution, version: [e.g. debian stable amd64, ...]
• Screen resolution, screen setup (e.g. multimonitor, etc.)
• Video hardware: [e.g. Intel Xeon ... Integrated Graphics]
• OpenGL version: [e.g. OpenGL 4.5, Mesa 19.0.3]
• Qt version: [e.g. Qt 5.11.x]
• C++ compiler version: [e.g. gcc 8.3.x]

Scope device (please complete the following information):

• Device [e.g. Hantek 6022BE, ...]
• Program top line [e.g. OpenHantek6022 (Build ...) - Device ... (FW ...)]
• Input signal: [e.g. calibration out 1 kHz, sine wave 1 Veff @ 50 Hz, ...]
• Probe setting: [e.g. no probe, probe X1, probe X10, ...]

Additional context
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