diff --git a/doc/bugs/Error_cloning_repository_on_Windows/comment_4_70595ac6d747eb0cabffb2844fc036a4._comment b/doc/bugs/Error_cloning_repository_on_Windows/comment_4_70595ac6d747eb0cabffb2844fc036a4._comment
new file mode 100644
index 0000000000..15826e5aad
--- /dev/null
+++ b/doc/bugs/Error_cloning_repository_on_Windows/comment_4_70595ac6d747eb0cabffb2844fc036a4._comment
@@ -0,0 +1,17 @@
+[[!comment format=mdwn
+ username="jwodder"
+ avatar="http://cdn.libravatar.org/avatar/b06e01332c949b895c681cc92934f36a"
+ subject="comment 4"
+ date="2020-10-22T18:13:40Z"
+ content="""
+Unfortunately, it turns out that empty extensions aren't the only problem.  Trying to check out the latest commit (577af1b) on Windows 7 now gives:
+
+```
+error: unable to create file doc/bugs/__34__git_submodule_foreach_git_annex_init__34___fails_with___34__git__58___createProcess__58___runInteractiveProcess__58___chdir__58___inappropriate_type___40__Not_a_directory__41____34__/comment_1_8a6cd8dc6e7c2cdefd60a07356be1d27._comment: Filename too long
+error: unable to create file doc/bugs/__34__git_submodule_foreach_git_annex_init__34___fails_with___34__git__58___createProcess__58___runInteractiveProcess__58___chdir__58___inappropriate_type___40__Not_a_directory__41____34__/comment_3_fd3a287ee6e73946889a4dd406fae0fc._comment: Filename too long
+error: unable to create file doc/bugs/crippled_fs___40__pidlock__41___leads_to_git-annex__58___SQLite3_returned_ErrorIO_while_attempting_to_perform_prepare___34__PRAGMA_journal__95__mode__61__WAL__59____34____58___disk_I__47__O_error/comment_1_aaea812a8f2b04d9b17d1ba9c6fad39f._comment: Filename too long
+error: unable to create file doc/bugs/crippled_fs___40__pidlock__41___leads_to_git-annex__58___SQLite3_returned_ErrorIO_while_attempting_to_perform_prepare___34__PRAGMA_journal__95__mode__61__WAL__59____34____58___disk_I__47__O_error/comment_2_c55f2d95f7f08e6f6439f36790e5a538._comment: Filename too long
+error: unable to create file doc/bugs/crippled_fs___40__pidlock__41___leads_to_git-annex__58___SQLite3_returned_ErrorIO_while_attempting_to_perform_prepare___34__PRAGMA_journal__95__mode__61__WAL__59____34____58___disk_I__47__O_error/comment_3_b49a3df3b13f564e588824910a07bc43._comment: Filename too long
+error: unable to create file doc/bugs/crippled_fs___40__pidlock__41___leads_to_git-annex__58___SQLite3_returned_ErrorIO_while_attempting_to_perform_prepare___34__PRAGMA_journal__95__mode__61__WAL__59____34____58___disk_I__47__O_error/comment_4_a9e6e37dbaa1664d825bdbd64de4fbdd._comment: Filename too long
+```
+"""]]