# Pritunl - Windows client - Run error **URL:** \ **Category:** Pritunl\ **Created:** [October 17, 2022, 3:20pm UTC](https://forum.pritunl.com/t/pritunl-windows-client-run-error/455 "2022-10-17T15:20:05Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![ikurshakov](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/i/e480ec/32.png) [@ikurshakov](https://forum.pritunl.com/u/ikurshakov)\ **Post date:** [October 17, 2022, 3:20pm UTC](https://forum.pritunl.com/t/pritunl-windows-client-run-error/455/1 "2022-10-17T15:20:05Z")
I get an error “unable to authenticate communication with background service, try restarting computer” when try to start the app. There is a Win 7 Home version it is installed on. I tried: restarting pc and reinstalling the client with no avail. Please advise. Thanks. ![win7-pritunl-run-issue](https://forum-static.pritunl.com/original/1X/7f223895c06d67691be3900688e6f0a9b364cf45.png) ---
**Author:** ![zach](https://forum.pritunl.com/user_avatar/forum.pritunl.com/zach/32/1105_2.png) [@zach](https://forum.pritunl.com/u/zach)\ **Post date:** [October 18, 2022, 2:25pm UTC](https://forum.pritunl.com/t/pritunl-windows-client-run-error/455/2 "2022-10-18T14:25:56Z")
Verify that the Pritunl service is running, check the logs listed in the [**debugging documentation**](https://docs.pritunl.com/docs/debugging-client). ---
**Author:** ![ikurshakov](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/i/e480ec/32.png) [@ikurshakov](https://forum.pritunl.com/u/ikurshakov)\ **Post date:** [October 18, 2022, 3:55pm UTC](https://forum.pritunl.com/t/pritunl-windows-client-run-error/455/3 "2022-10-18T15:55:55Z")
There is no service as Pritunl in the Win services. The app was installed successfully. There are no logs except for this location: \AppData\Roaming\pritunl [2022-10-17 11:36:46][ERROR] Request: HTTP error Error: connect ECONNREFUSED 127.0.0.1:9770 [2022-10-17 11:36:46][ERROR] Request: HTTP error Error: connect ECONNREFUSED 127.0.0.1:9770 [2022-10-18 9:5:8][ERROR] Request: HTTP error Error: connect ECONNREFUSED 127.0.0.1:9770 [2022-10-18 9:5:8][ERROR] Request: HTTP error Error: connect ECONNREFUSED 127.0.0.1:9770 ---
**Author:** ![zach](https://forum.pritunl.com/user_avatar/forum.pritunl.com/zach/32/1105_2.png) [@zach](https://forum.pritunl.com/u/zach)\ **Post date:** [October 18, 2022, 8:47pm UTC](https://forum.pritunl.com/t/pritunl-windows-client-run-error/455/4 "2022-10-18T20:47:31Z")
The newer client may no longer work with Windows 7. The command to configure the service is likely failing during the installation. ---
**Author:** ![ikurshakov](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/i/e480ec/32.png) [@ikurshakov](https://forum.pritunl.com/u/ikurshakov)\ **Post date:** [October 18, 2022, 8:55pm UTC](https://forum.pritunl.com/t/pritunl-windows-client-run-error/455/5 "2022-10-18T20:55:52Z")
ok, can you please provide an older client to try? thx ---
**Author:** ![zach](https://forum.pritunl.com/user_avatar/forum.pritunl.com/zach/32/1105_2.png) [@zach](https://forum.pritunl.com/u/zach)\ **Post date:** [October 19, 2022, 6:55pm UTC](https://forum.pritunl.com/t/pritunl-windows-client-run-error/455/6 "2022-10-19T18:55:45Z")
There isn’t any plans on maintaining support for Windows 7. Older releases are available in the [**repository**](https://github.com/pritunl/pritunl-client-electron/releases). ---
**Author:** ![Diablex112](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/d/ba9def/32.png) [@Diablex112](https://forum.pritunl.com/u/Diablex112)\ **Post date:** [February 12, 2023, 12:43pm UTC](https://forum.pritunl.com/t/pritunl-windows-client-run-error/455/7 "2023-02-12T12:43:42Z")
Hey, i have exactly the same Problem with Windows 11 ---
**Author:** ![nikvor](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/n/a5b964/32.png) [@nikvor](https://forum.pritunl.com/u/nikvor)\ **Post date:** [May 22, 2023, 1:59pm UTC](https://forum.pritunl.com/t/pritunl-windows-client-run-error/455/8 "2023-05-22T13:59:47Z")
I’ve figured out how to fix the problem!) I didn’t had service named “pritunl” in my services list (win+r - services.msc) so I created new service through cmd like this ```auto sc.exe create pritunl binpath="C:\Program Files (x86)\Pritunl\pritunl-service.exe" ``` then I pressed refresh in services list, found pritunl service and pressed “start” after that I just double-clicked the icon on my desktop, and the was running without without this issue. in services I also changed “startup type” to “automatic (delayed)”