diff --git a/slpkg/binaries/install.py b/slpkg/binaries/install.py
index fe3d8438..78beb35d 100644
--- a/slpkg/binaries/install.py
+++ b/slpkg/binaries/install.py
@@ -141,8 +141,13 @@ class Packages(Configs):
             self.check_md5.md5sum(self.tmp_slpkg, package, pkg_checksum)
 
     def install_packages(self) -> None:
+        # Remove old slpkg.log file.
+        if self.slpkg_log_file.is_file():
+            self.slpkg_log_file.unlink()
+
         if self.binary_packages:
             print(f'Started the processing of ({self.cyan}{len(self.binary_packages)}{self.endc}) packages:\n')
+
         for package in self.binary_packages:
             command: str = f'{self.slackware_command} {self.tmp_slpkg}/{package}'
             self.multi_proc.run(command, package, self.progress_message)
diff --git a/slpkg/multi_process.py b/slpkg/multi_process.py
index bf38eb62..cd0834cd 100644
--- a/slpkg/multi_process.py
+++ b/slpkg/multi_process.py
@@ -62,8 +62,8 @@ class MultiProcess(Configs):
         Build the package and write a log file.
         Args:
             command: The command of process
-            stdout:
-            stderr:
+            stdout: Captured stdout from the child process.
+            stderr: Captured stderr from the child process.
         Returns:
             None.
         """
@@ -75,9 +75,9 @@ class MultiProcess(Configs):
 
         # Write the timestamp at the head of the log file.
         with open(self.slpkg_log_file, 'a') as log:
-            log.write(len(head_message) * '=' + '\n')
+            log.write(f"{len(head_message) * '='}\n")
             log.write(f'{head_message}\n')
-            log.write(len(head_message) * '=' + '\n\n')
+            log.write(f"{len(head_message) * '='}\n")
 
         # Write the process to the log file and to the terminal.
         with process.stdout as output:
@@ -89,9 +89,9 @@ class MultiProcess(Configs):
 
         # Write the bottom of the log file.
         with open(self.slpkg_log_file, 'a') as log:
-            log.write('\n' + len(bottom_message) * '=' + '\n')
+            log.write(f"\n{len(bottom_message) * '='}\n")
             log.write(f'{bottom_message}\n')
-            log.write(len(bottom_message) * '=')
+            log.write(f"{len(bottom_message) * '='}\n\n")
 
         process.wait()  # Wait for the process to finish
 
diff --git a/slpkg/remove_packages.py b/slpkg/remove_packages.py
index cea45660..ca52b35f 100644
--- a/slpkg/remove_packages.py
+++ b/slpkg/remove_packages.py
@@ -88,6 +88,10 @@ class RemovePackages(Configs):
                 self.packages_for_remove.append(installed)
 
     def remove_packages(self) -> None:
+        # Remove old slpkg.log file.
+        if self.slpkg_log_file.is_file():
+            self.slpkg_log_file.unlink()
+
         print(f'Started of removing total ({self.cyan}{len(self.packages_for_remove)}{self.endc}) packages:\n')
         for package in self.packages_for_remove:
             command: str = f'{self.removepkg} {package}'
diff --git a/slpkg/sbos/slackbuild.py b/slpkg/sbos/slackbuild.py
index 98a7c9fa..e0ae0c6b 100644
--- a/slpkg/sbos/slackbuild.py
+++ b/slpkg/sbos/slackbuild.py
@@ -176,8 +176,13 @@ class Slackbuilds(Configs):
                 self.check_md5.md5sum(path, source, checksum)
 
     def build_and_install_the_slackbuilds(self) -> None:
+        # Remove old slpkg.log file.
+        if self.slpkg_log_file.is_file():
+            self.slpkg_log_file.unlink()
+
         if self.install_order:
             print(f'Started the processing of ({self.cyan}{len(self.install_order)}{self.endc}) packages:\n')
+
         for sbo in self.install_order:
             if self.continue_build_or_install(sbo):
                 self.patch_slackbuild_tag(sbo)