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Participant
September 10, 2022
Question

Lightroom classic leaves background process running after exit

  • September 10, 2022
  • 2 replies
  • 862 views

Running Lightroom Classic on Windows 11, I am not syncing to cloud or currently using Lightroom Mobile.  Recently Lightroom Classic leaves background process running after exiting (visible in Processes Tab of Task Manager).  So to reopen LR Classic, need to first kill the left over process or restart Windows.  Have tried resetting preferences to no effect.  Catalog is optimized. Program seems to run ok, and everything else seems to work fine.  Any ideas out there?

2 replies

Participating Frequently
August 21, 2025

Same thing described here is happening to me.  I realise this post is old but does anyone have any solutions?

AxelMatt
Community Expert
Community Expert
August 21, 2025

@scottm28807177  You’ve reactivated an approx. two years old thread. And you wrote only "I am having the same issue". It may seem like it's the same problem, but it may not be. Also, you're not giving us any information about your system and what you've tried so far.

 

Rather than reactivating an old thread that is seemingly similar, you are posting to a new thread with fresh, complete information.

Please include system information, a detailed description of the problem and if it's possible a step-by-step instructions for reproduction. Also includes the steps that you've done by your own to solve the issue.

 

If the issue is really the same, we will merge you back into the appropriate location.

This thread will be locked. 

Thank you!

My System: Intel i7-8700K - 64GB RAM - NVidia Geforce RTX 3060 - Windows 11 Pro 25H2 -- LR-Classic 15 - Photoshop 27 - Nik Collection 8 - PureRAW 5 - Topaz Photo
johnrellis
Legend
September 10, 2022

Please post a screenshot of Task Manager showing these processes.

Participant
October 13, 2022

Just seeing this now, as I was about to post another (related?) issue.  First, the Task Manager screen shot.

 

Now, second issue is re. AI Masking --  very extended times (3 to 7 minutes instead of seconds in past) to select subject or select sky.  Have tried with GPU Auto and Off.  No difference in behavior.  Cannot roll back GPU Driver because recenlty upgraded to Win11 and there is no roll back possible.  Occasionally correct behaior returns, but I have no idea why.

 

Here is main System Info,   Note, it still shows Win10, even though upgraded to Win11 some time ago (related?).

Lightroom Classic version: 11.5 [ 202208080927-8a575c91 ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10 - Business Edition
Version: 10.0.22000
Application architecture: x64
System architecture: x64
Logical processor count: 8
Processor speed: 2.3GHz
SqLite Version: 3.36.0
Built-in memory: 16114.8 MB
Real memory available to Lightroom: 16114.8 MB
Real memory used by Lightroom: 1290.8 MB (8.0%)
Virtual memory used by Lightroom: 1269.0 MB
GDI objects count: 697
USER objects count: 2212
Process handles count: 1824
Memory cache size: 118.7MB
Internal Camera Raw version: 14.5 [ 1177 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 264MB / 8057MB (3%)
Camera Raw real memory: 266MB / 16114MB (1%)
System DPI setting: 96 DPI
Desktop composition enabled: Yes
Displays: 1) 1920x1080, 2) 1920x1080
Input types: Multitouch: Yes, Integrated touch: Yes, Integrated pen: Yes, External touch: No, External pen: No, Keyboard: No

Graphics Processor Info:
DirectX: Intel(R) UHD Graphics (30.0.101.1692)