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Npcap prevent computer to sleep #431

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lkytal opened this issue Mar 2, 2017 · 7 comments
Closed

Npcap prevent computer to sleep #431

lkytal opened this issue Mar 2, 2017 · 7 comments

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@lkytal
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@lkytal lkytal commented Mar 2, 2017

I wonder why there is not issue section for npcap itself...

After switch from winpcap to npcap, my system can't sleep correctly. It used to sleep after 15min, however, after installed npcap, my system will automatically power off after 15min instead of go sleep. My system is windows 10 1607 x64, npcap version 0.82 (newest for now).

@Varunram
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@Varunram Varunram commented Mar 2, 2017

Good catch! I don't know about the computer shutting down, but I did notice that when I installed Npcap, it seems to change the sleep settings. Thing to note here is that it changes the sleep settings only if they are changed after Npcap is uninstalled. If we change the settings when Npcap is installed and don't touch it thereafter even after uninstalling, it doesn't seem to do anything.

@dmiller-nmap
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@dmiller-nmap dmiller-nmap commented Mar 2, 2017

Can either of you report exactly what the sleep settings were and whether they were changed? Or are the settings the same, but the behavior is different?

@lkytal was there a crash? Is there a .dmp file in C:\Windows\minidump\ that you could send to dmiller@nmap.com?

@Varunram
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@Varunram Varunram commented Mar 2, 2017

Steps to reproduce:

  1. Set timer to 1 minute
  2. Install Npcap
  3. Wait for 1 minute (to test whether the computer sleeps)
  4. Go to settings and find out that the sleep timer has changed to never.

@lkytal
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@lkytal lkytal commented Mar 2, 2017

@dmiller-nmap I've emailed dump file to you. By the way, the change of system sleep timer may not allway happend.

@dmiller-nmap
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@dmiller-nmap dmiller-nmap commented Mar 2, 2017

@dmiller-nmap
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@dmiller-nmap dmiller-nmap commented Mar 5, 2017

@lkytal Please try Npcap 0.83, released yesterday, which has this fix. Let us know if it solves your problem!

@lkytal
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@lkytal lkytal commented Mar 6, 2017

During the last day it works perfectly, thanks. @dmiller-nmap

@lkytal lkytal closed this as completed Mar 14, 2017
@fyodor fyodor transferred this issue from nmap/nmap May 5, 2021
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3 participants