Sonar HS and Sonar 8LE

Hi all
 
I took advantage of the Computer Music deal to get a free copy of HS with the magazine. I've installed HS and it seems to be working ok apart from some issues with particular plugins eg IK Philharmonik & Air Xpand but many other too. Some of the problems are almost certainly related to the fact that I had to install a new, larger SSD and didn't manage to clone the disc so lost whatever the VSTs altered on the C drive (my VST folder is on the drive). I also upgraded to Win 10 in the process. However I was wondering if part of the problems was incompatibility with HS and am considering reinstalling 8LE (which was also on my F drive but does not want to launch correctly. 
 
If I do this will I damage or overwrite my existing projects or any of the new VSTs / other content installed with HS. 
 
The VSTis I can't access are annoyingly the only ones I have paid for as I mostly have free ones from CM and freebies from developers so I don't want to lose access to them
 
Hope someone can help but appreciate it may not be possible to give a definitive answer!
 
Thanks in anticipation!

Yeah I was gutted about my cloning issues and probably should have perservered.
I've tried reinstalling Miroslav Philharmonik - it works ok in standalone mode (apart from keeping telling me to authorise it which I already have done on the new disc -I'm onto IK Multimedia about that) but isn't recognised by Sonar HS
 
I've also reinstalled Air Xpand & reinstalled ilok but it is not seen in the HS VST menu even after asking it to look for excluded plugins

SONAR needs to run as administrator to load old IK plug-ins.

Thanks some useful suggestions there - I'll give them a try tomorrow. Hope this forum or a replacement survives the demise of Cakewalk. Everyone is so helpful it would be sad if we all dispersed

Progress update - IK replied re Miroslav and I can now run it in standalone mode without the authorisation screen coming up if I run as administrator - I've reset the root folder so it can find my instruments. I've tried running Sonar as admin and loaded a couple of project file which have a couple of instances of Miroslav in it but it just comes up with an instrument not found error. However when I load Miroslav into an empty project it appears to be working ok - any thoughts?
 
Re Air Xpand 2 - the .dll file is in my VST folder but Sonar doesn't appear to see it at all even if I rescan my plug ins :-(
 
Also not working is AlchemyCM which I like so I am hoping I have the installation file for that!