Many WUs failed on my Windows 10 machine (with Git for Windows 2.54.0) recently with following errors.

Sample failure from wu_1782564954_459_0_r564356872_0:

2026-06-27 17:05:10|INFO |Starting LODA v26.6.27. See https://loda-lang.org/
2026-06-27 17:05:10|INFO |Found environment variable: PROJECT_DIR=C:\ProgramData\BOINC/projects/boinc.loda-lang.org_loda\
2026-06-27 17:05:10|INFO |Loading init data from file: init_data.xml
2026-06-27 17:05:10|INFO |Platform: windows-x86, system memory: 8040 MiB
2026-06-27 17:05:10|INFO |User name: Petr Malik, host ID: 20427
2026-06-27 17:05:10|INFO |Using LODA home directory "C:\ProgramData\BOINC/projects/boinc.loda-lang.org_loda\"
2026-06-27 17:05:10|INFO |Checking environment
2026-06-27 17:05:10|WARN |Setting environment variable: COMSPEC=C:\WINDOWS\system32\cmd.exe
2026-06-27 17:05:10|WARN |Setting environment variable: SYSTEMROOT=C:\WINDOWS
2026-06-27 17:05:10|WARN |Setting environment variable: PATH=C:\WINDOWS\system32;C:\WINDOWS\system32\WindowsPowerShell\v1.0;C:\Program Files\Git\cmd;C:\ProgramData\BOINC/projects/boinc.loda-lang.org_loda\git\cmd;C:\Program Files\Git\usr\bin;C:\ProgramData\BOINC/projects/boinc.loda-lang.org_loda\git\usr\bin
2026-06-27 17:05:10|WARN |Setting environment variable: TMP=C:\ProgramData\BOINC/projects/boinc.loda-lang.org_loda\
2026-06-27 17:05:10|WARN |Setting environment variable: TEMP=C:\ProgramData\BOINC/projects/boinc.loda-lang.org_loda\
error: Unable to create 'C:/ProgramData/BOINC/projects/boinc.loda-lang.org_loda/programs/.git/index.lock': File exists.

Another git process seems to be running in this repository, or the lock file may be stale
2026-06-27 17:05:39|ERROR|Error executing command (exit code 1): git -C "C:\ProgramData\BOINC/projects/boinc.loda-lang.org_loda\programs" pull origin main -q
2026-06-27 17:05:39|ERROR|Failed to update programs repository (age: 1 days)
2026-06-27 17:05:39|ERROR|Exiting due to corrupt programs directory