Several issues with Office ProPlus 2013. [SOLVED]

Hi folks, 

First of all, you guys rock! I've taken advantage of a number of your offerings in recent years and am extremely grateful for your efforts. 

Today however, I'm faced with a bit of an issue. Having found my installation of Office 2010 gone bad and becoming seemingly impossible to reactivate, I've tried 2013 instead, but I'm getting the exact same issues whichever version I try. 

These issues are identical regardless of whether I try 2010 or 2013.

First of all, once the installation finishes I get a screen which simply states that an error had occurred. no information as to what went wrong or why, just that something had gone wrong. 

When running the activator (as an administrator, as is done for the installation itself) I get a number of different errors:

• Clicking "Activate" brings up :
  

System.Management.ManagementException: Not found 
   at System.Management.ManagementException.ThrowWithExtendedInfo(ManagementStatus errorCode)
   at System.Management.ManagementScope.InitializeGuts(Object o)
   at System.Management.ManagementScope.Initialize()
   at System.Management.ManagementObjectSearcher.Initialize()
   at System.Management.ManagementObjectSearcher.Get()
   at ..
(String ,  , String , String )
   at ...ctor()
   at .
.(Object , DoWorkEventArgs )

• "Rearm brings up" 
  

ERROR CODE: 0xC004FE00


ERROR TEXT: The Software Licensing Service reported that activation is required to recover from tampering of SL Service trusted store.

• I tried installing "KMS Server Service" and running "EZ-Activator" as suggested in one thread, but I get a 2 word error message "Not found"
  
• Clicking on "Phone" or "Check" also brings up "Not found" and the "Available" button tells me I have 3 rearms available. 
  

I've tried deleting the "Crypto" folder between installs as suggested on one page here, and every time I uninstall I use Revo Pro to make sure everything has gone. 

I'm at my wit's end with it now. I can open and run office fine, but the activation error window pops up every time, so whatever error is occurring during install it isn't stopping the software from running. 

Any suggestions as to what else I can try would be a huge help!


//EDIT

Feel free to lock this. Turned out I had so many problems compounding each other it was easier to re-install Windows from scratch

Install error code needed a Microsoft fix it download. The fix it threw up its own error codes tied into other problems needing a fix, which needed their own fix first.... Probably just a single piece of bloat somewhere that stopped behaving itself, but either way it's done now! 

Thanks for the DL's.