Stderr output

<core_client_version>8.0.4</core_client_version>
<![CDATA[
<stderr_txt>
BOINC client version 8.0.4
Application: period_search_10220_windows_x86_64__win10.exe
Version: 102.20.1.1
CPU: AMD Ryzen 7 7700X 8-Core Processor             
RAM: 31.22 GB
Using AVX512 SIMD optimizations.
07:03:34 (36276): Can't acquire lockfile (32) - waiting 35s
07:04:09 (36276): Can't acquire lockfile (32) - exiting
07:04:09 (36276): Error: The process cannot access the file because it is being used by another process.

 (0x20)
07:56:24 (84776): Can't acquire lockfile (32) - waiting 35s
07:56:59 (84776): Can't acquire lockfile (32) - exiting
07:56:59 (84776): Error: The process cannot access the file because it is being used by another process.

 (0x20)
13:55:04 (89020): Can't acquire lockfile (32) - waiting 35s
13:55:39 (89020): Can't acquire lockfile (32) - exiting
13:55:39 (89020): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:13:53 (39504): Can't acquire lockfile (32) - waiting 35s
14:14:28 (39504): Can't acquire lockfile (32) - exiting
14:14:28 (39504): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:26:08 (88688): Can't acquire lockfile (32) - waiting 35s
14:26:43 (88688): Can't acquire lockfile (32) - exiting
14:26:43 (88688): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:51:09 (73088): Can't acquire lockfile (32) - waiting 35s
14:51:44 (73088): Can't acquire lockfile (32) - exiting
14:51:44 (73088): Error: The process cannot access the file because it is being used by another process.

 (0x20)
15:11:47 (78764): Can't acquire lockfile (32) - waiting 35s
15:12:22 (78764): Can't acquire lockfile (32) - exiting
15:12:22 (78764): Error: The process cannot access the file because it is being used by another process.

 (0x20)
15:35:08 (85172): Can't acquire lockfile (32) - waiting 35s
15:35:43 (85172): Can't acquire lockfile (32) - exiting
15:35:43 (85172): Error: The process cannot access the file because it is being used by another process.

 (0x20)
15:45:44 (78844): Can't acquire lockfile (32) - waiting 35s
15:46:19 (78844): Can't acquire lockfile (32) - exiting
15:46:19 (78844): Error: The process cannot access the file because it is being used by another process.

 (0x20)
16:02:23 (86444): Can't acquire lockfile (32) - waiting 35s
16:02:58 (86444): Can't acquire lockfile (32) - exiting
16:02:58 (86444): Error: The process cannot access the file because it is being used by another process.

 (0x20)
16:13:04 (91660): Can't acquire lockfile (32) - waiting 35s
16:13:39 (91660): Can't acquire lockfile (32) - exiting
16:13:39 (91660): Error: The process cannot access the file because it is being used by another process.

 (0x20)
16:24:28 (19220): Can't acquire lockfile (32) - waiting 35s
16:25:03 (19220): Can't acquire lockfile (32) - exiting
16:25:03 (19220): Error: The process cannot access the file because it is being used by another process.

 (0x20)
16:35:56 (92660): Can't acquire lockfile (32) - waiting 35s
16:36:31 (92660): Can't acquire lockfile (32) - exiting
16:36:31 (92660): Error: The process cannot access the file because it is being used by another process.

 (0x20)
16:46:39 (92648): Can't acquire lockfile (32) - waiting 35s
16:47:14 (92648): Can't acquire lockfile (32) - exiting
16:47:14 (92648): Error: The process cannot access the file because it is being used by another process.

 (0x20)
17:07:39 (78164): Can't acquire lockfile (32) - waiting 35s
17:08:14 (78164): Can't acquire lockfile (32) - exiting
17:08:14 (78164): Error: The process cannot access the file because it is being used by another process.

 (0x20)
17:51:45 (79176): Can't acquire lockfile (32) - waiting 35s
17:52:20 (79176): Can't acquire lockfile (32) - exiting
17:52:20 (79176): Error: The process cannot access the file because it is being used by another process.

 (0x20)
19:41:34 (56208): Can't acquire lockfile (32) - waiting 35s
19:42:09 (56208): Can't acquire lockfile (32) - exiting
19:42:09 (56208): Error: The process cannot access the file because it is being used by another process.

 (0x20)
20:22:42 (90160): Can't acquire lockfile (32) - waiting 35s
20:23:17 (90160): Can't acquire lockfile (32) - exiting
20:23:17 (90160): Error: The process cannot access the file because it is being used by another process.

 (0x20)
21:04:00 (94812): Can't acquire lockfile (32) - waiting 35s
21:04:35 (94812): Can't acquire lockfile (32) - exiting
21:04:35 (94812): Error: The process cannot access the file because it is being used by another process.

 (0x20)
21:45:48 (7860): Can't acquire lockfile (32) - waiting 35s
21:46:23 (7860): Can't acquire lockfile (32) - exiting
21:46:23 (7860): Error: The process cannot access the file because it is being used by another process.

 (0x20)
22:27:14 (77916): Can't acquire lockfile (32) - waiting 35s
22:27:49 (77916): Can't acquire lockfile (32) - exiting
22:27:49 (77916): Error: The process cannot access the file because it is being used by another process.

 (0x20)
23:09:42 (92200): Can't acquire lockfile (32) - waiting 35s
23:10:17 (92200): Can't acquire lockfile (32) - exiting
23:10:17 (92200): Error: The process cannot access the file because it is being used by another process.

 (0x20)
23:52:01 (90840): Can't acquire lockfile (32) - waiting 35s
23:52:36 (90840): Can't acquire lockfile (32) - exiting
23:52:36 (90840): Error: The process cannot access the file because it is being used by another process.

 (0x20)
00:34:57 (95796): Can't acquire lockfile (32) - waiting 35s
00:35:32 (95796): Can't acquire lockfile (32) - exiting
00:35:32 (95796): Error: The process cannot access the file because it is being used by another process.

 (0x20)
01:18:05 (91220): Can't acquire lockfile (32) - waiting 35s
01:18:40 (91220): Can't acquire lockfile (32) - exiting
01:18:40 (91220): Error: The process cannot access the file because it is being used by another process.

 (0x20)
02:00:26 (87620): Can't acquire lockfile (32) - waiting 35s
02:01:01 (87620): Can't acquire lockfile (32) - exiting
02:01:01 (87620): Error: The process cannot access the file because it is being used by another process.

 (0x20)
02:41:05 (46608): Can't acquire lockfile (32) - waiting 35s
02:41:40 (46608): Can't acquire lockfile (32) - exiting
02:41:40 (46608): Error: The process cannot access the file because it is being used by another process.

 (0x20)
03:22:18 (71940): Can't acquire lockfile (32) - waiting 35s
03:22:53 (71940): Can't acquire lockfile (32) - exiting
03:22:53 (71940): Error: The process cannot access the file because it is being used by another process.

 (0x20)
03:23:38 (84848): Can't acquire lockfile (32) - waiting 35s
03:24:13 (84848): Can't acquire lockfile (32) - exiting
03:24:13 (84848): Error: The process cannot access the file because it is being used by another process.

 (0x20)
04:27:49 (92636): Can't acquire lockfile (32) - waiting 35s
04:28:24 (92636): Can't acquire lockfile (32) - exiting
04:28:24 (92636): Error: The process cannot access the file because it is being used by another process.

 (0x20)
05:36:29 (99104): Can't acquire lockfile (32) - waiting 35s
05:37:04 (99104): Can't acquire lockfile (32) - exiting
05:37:04 (99104): Error: The process cannot access the file because it is being used by another process.

 (0x20)
06:18:36 (72616): Can't acquire lockfile (32) - waiting 35s
06:19:11 (72616): Can't acquire lockfile (32) - exiting
06:19:11 (72616): Error: The process cannot access the file because it is being used by another process.

 (0x20)
08:12:41 (97364): Can't acquire lockfile (32) - waiting 35s
08:13:16 (97364): Can't acquire lockfile (32) - exiting
08:13:16 (97364): Error: The process cannot access the file because it is being used by another process.

 (0x20)
09:31:56 (99556): Can't acquire lockfile (32) - waiting 35s
09:32:31 (99556): Can't acquire lockfile (32) - exiting
09:32:31 (99556): Error: The process cannot access the file because it is being used by another process.

 (0x20)
10:11:57 (99436): Can't acquire lockfile (32) - waiting 35s
10:12:32 (99436): Can't acquire lockfile (32) - exiting
10:12:32 (99436): Error: The process cannot access the file because it is being used by another process.

 (0x20)
11:56:33 (100520): Can't acquire lockfile (32) - waiting 35s
11:57:08 (100520): Can't acquire lockfile (32) - exiting
11:57:08 (100520): Error: The process cannot access the file because it is being used by another process.

 (0x20)
13:22:19 (103332): Can't acquire lockfile (32) - waiting 35s
13:22:54 (103332): Can't acquire lockfile (32) - exiting
13:22:54 (103332): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:05:01 (91400): Can't acquire lockfile (32) - waiting 35s
14:05:36 (91400): Can't acquire lockfile (32) - exiting
14:05:36 (91400): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:48:43 (82076): Can't acquire lockfile (32) - waiting 35s
14:49:18 (82076): Can't acquire lockfile (32) - exiting
14:49:18 (82076): Error: The process cannot access the file because it is being used by another process.

 (0x20)
18:34:55 (87760): Can't acquire lockfile (32) - waiting 35s
18:35:30 (87760): Can't acquire lockfile (32) - exiting
18:35:30 (87760): Error: The process cannot access the file because it is being used by another process.

 (0x20)
14:53:26 (109132): Can't acquire lockfile (32) - waiting 35s
14:54:01 (109132): Can't acquire lockfile (32) - exiting
14:54:01 (109132): Error: The process cannot access the file because it is being used by another process.

 (0x20)
17:19:59 (119552): Can't acquire lockfile (32) - waiting 35s
17:20:34 (119552): Can't acquire lockfile (32) - exiting
17:20:34 (119552): Error: The process cannot access the file because it is being used by another process.

 (0x20)
17:57:39 (120332): Can't acquire lockfile (32) - waiting 35s
17:58:14 (120332): Can't acquire lockfile (32) - exiting
17:58:14 (120332): Error: The process cannot access the file because it is being used by another process.

 (0x20)
18:33:12 (111488): Can't acquire lockfile (32) - waiting 35s
18:33:47 (111488): Can't acquire lockfile (32) - exiting
18:33:47 (111488): Error: The process cannot access the file because it is being used by another process.

 (0x20)
19:09:25 (116036): Can't acquire lockfile (32) - waiting 35s
19:10:00 (116036): Can't acquire lockfile (32) - exiting
19:10:00 (116036): Error: The process cannot access the file because it is being used by another process.

 (0x20)
19:45:32 (120392): Can't acquire lockfile (32) - waiting 35s
19:46:07 (120392): Can't acquire lockfile (32) - exiting
19:46:07 (120392): Error: The process cannot access the file because it is being used by another process.

 (0x20)
20:13:29 (79116): BOINC client no longer exists - exiting
20:13:29 (79116): timer handler: client dead, exiting
CPU: AMD Ryzen 7 7700X 8-Core Processor             
RAM: 31.22 GB
Using AVX512 SIMD optimizations.
00:50:33 (22360): called boinc_finish(0)

</stderr_txt>
]]>