https://github.com/mahescho/ISLalwaysOnLinkGenerator

See: https://help.islonline.com/20304/165996

These scripts remove everything and all links to all instances of ISL.

Completely clean out everything. The normal uninstall keeps files and registry entries.

Powershell

& 'C:\Program Files (x86)\ISL Online\ISL AlwaysOn\unins000.exe' /SILENT
Remove-Item -Recurse -Force "C:\Program Files (x86)\ISL Online" -Confirm:$false
Remove-Item -Path "HKLM:\SOFTWARE\WOW6432Node\ISL Online" -Force -Confirm:$false
Remove-Item -Path "HKCU:\SOFTWARE\ISL Online" -Force -Confirm:$false
New-PSDrive -PSProvider Registry -Name HKU -Root HKEY_USERS
Remove-Item -Path "HKU:\S-1-5-18\Software\ISL Online" -Force -Confirm:$false

/opt/ISLOnline/ISLAlwaysOn/uninstall.pl
rm -rf /opt/ISLOnline
rm -rf /var/opt/ISLRuntime
rm -rf /etc/islonline

To make ISL to prefer HTTPS, for HTTPS only setups. Could also be done by using ISL Tester.

REG File

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\ISL Online\AutoTransport\Connect options]
"boost"="wininet-https"
"https"="1"

Powershell

New-Item -Path "HKLM:\SOFTWARE\WOW6432Node\ISL Online\AutoTransport\Connect options" -Force
New-ItemProperty -Path "HKLM:\SOFTWARE\WOW6432Node\ISL Online\AutoTransport\Connect options" -Name "boost" -Value "wininet-https" -PropertyType STRING -Force
New-ItemProperty -Path "HKLM:\SOFTWARE\WOW6432Node\ISL Online\AutoTransport\Connect options" -Name "https" -Value "1" -PropertyType STRING -Force

mkdir -p /etc/islonline/AutoTransport/Connect+options
echo "wsstun-direct" > /etc/islonline/AutoTransport/Connect+options/boost 
echo "1" > /etc/islonline/AutoTransport/Connect+options/https 

TMP