Komodo 12 Closes when hits breakpoint in perl script

I was using Komodo 9 which has just started to close (after a 1 - 3 second delay) when it hits a breakpoint in any perl code. The error messages in the logs are identical to the Komodo 12 logs pasted below.

In an attempt to bypass this problem I installed Komodo 12, but it exhibits the exact same behaviour. When debugging a perl script, komodo stops on the breakpoint and within 3 seconds closes, without giving any error.

The logs always show the following

[2023-05-24 18:04:20,611] [DEBUG] ko.launch: Response: https[colon_backlash_backslash]community_komodoide_com/changelog/12 (404)
[2023-05-24 18:04:20,611] [DEBUG] ko.launch: versioncheck on http[colon_backlash_backslash]docs.komodoide.com/changelog/120
[2023-05-24 18:04:20,617] [ERROR] commando-scope-packages: Unable to retrieve package listing for languages
Traceback from ERROR in ‘commando-scope-packages’ logger:
Logger.prototype.error@chrome[colon_backlash_backslash]komodo/content/sdk/logging.js:411:27
this._getAvailablePackagesByKind/<@chrome[colon_backlash_backslash]scope-packages/content/packages.js:440:17
this.request/req.onreadystatechange@chrome[colon_backlash_backslash]komodo/content/sdk/ajax.js:81:17

[2023-05-24 18:04:20,630] [ERROR] commando-scope-packages: Unable to retrieve package listing for keybinds
Traceback from ERROR in ‘commando-scope-packages’ logger:
Logger.prototype.error@chrome[colon_backlash_backslash]komodo/content/sdk/logging.js:411:27
this._getAvailablePackagesByKind/<@chrome[colon_backlash_backslash]scope-packages/content/packages.js:440:17
this.request/req.onreadystatechange@chrome[colon_backlash_backslash]komodo/content/sdk/ajax.js:81:17

[2023-05-24 18:04:20,630] [ERROR] commando-scope-packages: Unable to retrieve package listing for schemes
Traceback from ERROR in ‘commando-scope-packages’ logger:
Logger.prototype.error@chrome[colon_backlash_backslash]komodo/content/sdk/logging.js:411:27
this._getAvailablePackagesByKind/<@chrome[colon_backlash_backslash]scope-packages/content/packages.js:440:17
this.request/req.onreadystatechange@chrome[colon_backlash_backslash]komodo/content/sdk/ajax.js:81:17

[2023-05-24 18:04:20,630] [ERROR] commando-scope-packages: Unable to retrieve package listing for toolbox
Traceback from ERROR in ‘commando-scope-packages’ logger:
Logger.prototype.error@chrome[colon_backlash_backslash]komodo/content/sdk/logging.js:411:27
this._getAvailablePackagesByKind/<@chrome[colon_backlash_backslash]scope-packages/content/packages.js:440:17
this.request/req.onreadystatechange@chrome[colon_backlash_backslash]komodo/content/sdk/ajax.js:81:17

[2023-05-24 18:04:20,720] [DEBUG] ko.launch: Response: https[colon_backlash_backslash]community_komodoide_com/changelog/120 (404)
[2023-05-24 18:04:21,551] [DEBUG] codeintel/process: stdout:
port:52718

I have installed the certificate which was touted as a solution for a similar problem - from this post.

I run windows 10 and strawberry perl. Used komodo 9 fine without incident 2 days ago, have made no changes to the computer, perl, or komodo itself.

Any advice greatly appreciated

PS I have had to put in [colon_backlash_backslash] as since I am a new user I believe it thinks I am posting more than 2 links, which it does not allow