Network driver causing Audio issues and system hold ups


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In recent times after Windows 10 updates to my PC's system, Windows has slowed and audio now has clicks and pops and application take sometime to load. I have looked at many possible solutions here and on the web, but can't find a solution. Windows 10 was working OK in earlier versions. I think I have tied it down to the network and Latency Monitor sort of indicates this (see Below). I have the most recent drivers, but I think the drivers loaded are the ones causing the issue. The HP PC is 10 years old and many drivers for the HP PC are not supplied by HP for Win 10 only Vista. I have tried the Vista drivers to no avail even though they use to work in earlier version of Win 10.

After Windows has started things run OK for a time but gradually gets worse.

All seems OK in Safe Mode.

Any suggestions

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CONCLUSION
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Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns appearing as drop outs, clicks or pops. One or more DPC routines that belong to a driver running in your system appear to be executing for too long. At least one detected problem appears to be network related. In case you are using a WLAN adapter, try disabling it to get better results. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates.
LatencyMon has been analyzing your system for 0:00:38 (h:mm:ss) on all processors.


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SYSTEM INFORMATION
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Computer name: KIM-PC
OS version: Windows 10 , 10.0, build: 17134 (x86)
Hardware: HP dx2810 SFF, Hewlett-Packard, PEGATRON CORPORATION, 0B1Ch
CPU: GenuineIntel Intel(R) Core(TM)2 Quad CPU Q8300 @ 2.50GHz
Logical processors: 4
Processor groups: 1
RAM: 3549 MB total


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CPU SPEED
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Reported CPU speed: 250 MHz

Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.


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MEASURED INTERRUPT TO DPC LATENCIES
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The interrupt to DPC latency reflects the measured interval in which a DPC could execute in response to a hardware request from the moment the interrupt service routine started execution.

Highest measured interrupt to DPC latency (µs): 20194.833468
Average measured interrupt to DPC latency (µs): 6.437411


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REPORTED ISRs
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Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.

Highest ISR routine execution time (µs): 26.27080
Driver with highest ISR routine execution time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation

Highest reported total ISR routine time (%): 0.022288
Driver with highest ISR total time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation

Total time spent in ISRs (%) 0.048768

ISR count (execution time <250 µs): 17038
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-999 µs): 0
ISR count (execution time 1000-1999 µs): 0
ISR count (execution time 2000-3999 µs): 0
ISR count (execution time >=4000 µs): 0


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REPORTED DPCs
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DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.

Highest DPC routine execution time (µs): 30048.64480
Driver with highest DPC routine execution time: ndis.sys - Network Driver Interface Specification (NDIS), Microsoft Corporation

Highest reported total DPC routine time (%): 0.301551
Driver with highest DPC total execution time: tcpip.sys - TCP/IP Driver, Microsoft Corporation

Total time spent in DPCs (%) 0.859175

DPC count (execution time <250 µs): 144314
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 0
DPC count (execution time 1000-1999 µs): 16
DPC count (execution time 2000-3999 µs): 19
DPC count (execution time >=4000 µs): 0


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REPORTED HARD PAGEFAULTS
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Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.


Process with highest pagefault count: none

Total number of hard pagefaults 0
Hard pagefault count of hardest hit process: 0
Highest hard pagefault resolution time (µs): 0.0
Total time spent in hard pagefaults (%): 0.0
Number of processes hit: 0


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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 1.361232
CPU 0 ISR highest execution time (µs): 26.27080
CPU 0 ISR total execution time (s): 0.071341
CPU 0 ISR count: 15586
CPU 0 DPC highest execution time (µs): 29449.6860
CPU 0 DPC total execution time (s): 0.709031
CPU 0 DPC count: 133289
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CPU 1 Interrupt cycle time (s): 0.550583
CPU 1 ISR highest execution time (µs): 13.9320
CPU 1 ISR total execution time (s): 0.001092
CPU 1 ISR count: 703
CPU 1 DPC highest execution time (µs): 30048.64480
CPU 1 DPC total execution time (s): 0.307350
CPU 1 DPC count: 6921
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CPU 2 Interrupt cycle time (s): 0.425754
CPU 2 ISR highest execution time (µs): 15.99880
CPU 2 ISR total execution time (s): 0.001357
CPU 2 ISR count: 501
CPU 2 DPC highest execution time (µs): 19996.82120
CPU 2 DPC total execution time (s): 0.162736
CPU 2 DPC count: 2519
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CPU 3 Interrupt cycle time (s): 0.372893
CPU 3 ISR highest execution time (µs): 7.7040
CPU 3 ISR total execution time (s): 0.000397
CPU 3 ISR count: 248
CPU 3 DPC highest execution time (µs): 21753.7860
CPU 3 DPC total execution time (s): 0.127894
CPU 3 DPC count: 1685
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