HTaccess Getting Corrupted

I don’t know why, but my htaccess file is getting corrupted and takes the whole site down. I believe it’s related to the Super Cache plugin, as this has happened also with W3 Total Cache.

Any suggestions?

Many thanks,
Tom

# # BEGIN WordPres<I<IfModule mod_rewrite.cReRewriteEngine OReRewriteBase ReRewriteRule ^index\.php$ - [LReRewriteCond %{REQUEST_FILENAME} !-ReRewriteCond %{REQUEST_FILENAME} !-ReRewriteRule . /index.php [L</</IfModule
# # END WordPress
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

# END WordPress
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

# END WordPress
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

# END WordPress

https://wordpress.org/plugins/wp-super-cache/