Applications & Extensions

Plesk applications and extensions installation/management articles. WordPress, Joomla, Let's Encrypt, CloudFlare and etc.

WP Toolkit stuck at 0% when installing a new instance
Wordpress notifications are received: Failed to reset cache for the instance #902: An error has occurred when decoding JSON: Decoding failed: Syntax error
Unable to reissue the Let's Encrypt SSL certificate in Plesk: DNS problem SERVFAIL looking up TXT
How to activate Google Workspace on a domain in Plesk
Unable to issue Let's Encrypt certificate when Let's Encrypt extension is in standalone mode
Unable to issue Let’s Encrypt certificate for domain in Plesk for Windows: misconfiguration of the Common Challenge Directory
Can't install plugin via WP Toolkit: destination folder already exists
Unable to add a keyword in SEO Toolkit: Keyword limit reached
Enabling ClamAV in Plesk Email Security fails: Cannot allocate memory
All websites on Plesk server periodically unavailable after accessing WordPress comments or working in WordPress dashboard
WordPress instance can not be removed via Plesk applications catalog
Unable to issue a Let's Encrypt certificate: an ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode
SSL/TLS certificate for mail is not automatically updated by Let's Encrypt in Plesk
Receiving Let's Encrypt notifications for a certificate that has already been renewed
Unable to issue a Let's Encrypt certificate in Plesk: The authorization token is not available
How to adjust auto-renewal period for Let's Encrypt certificates in Plesk?
ClamAV Antivirus error in Plesk: Failed to start clamd@scan.service: Unit not found.
Monitoring extension in Plesk is broken: The System Health Monitor component was not found.
Email with text "Watchdog was stopped" is received weekly from Plesk server
Actions in a chrooted shell environment and SSH Terminal extension do not work correctly: "E557: Cannot open termcap file" and arrow keys have incorrect effect
Unable to create backup via Acronis Backup extension in Plesk: The pre-data capture command completed with non-zero return code: 1
Can't install Acronis Backup in Plesk: Failed to connect to host "45.11.1XX.XX" via port <port_number>
Unable to issue a Let's Encrypt certificate for domain with forwarding hosting type: nginx is not installed or is disabled on the Plesk server
Let's Encrypt certificate installation/renewal fails for a domain in Plesk: Incorrect TXT record found at _acme-challenge.example.com
Warning in Plesk Premium Email: This domain is configured for Plesk Premium Email - Free, but should not
Wordpress website hosted in Plesk shows a 500 error: no such file or directory
The Plesk Email Security dashboard keeps loading, or statistics are not updated
Extension license is not applied immediately after purchase: You don't have a valid license
A Domain error log in Plesk contains a repeated message: Got error PHP message: Connection refused
Duplicate entries in Plesk WP Toolkit: nginx: [emerg] duplicate location "/fake-hotlink-stub"