That extra space means your research on this may have missed prior answers.
https://www.google.com/search?q=c%3A\windows\system32\PCLE+Colnst.dll&ie=utf-8&oe=utf-8#q=c:\windows\system32\PCLECoinst.dll+site:answers.microsoft.com seems to note it's a common issue.
Try the fix at http://answers.microsoft.com/en-us/windows/forum/windows_10-windows_install/pclecoinstdll-error-after-upgrade-to-windows-10/7db029fb-2267-4dfd-97ae-2defdced7f72?auth=1
I recently upgraded to Windows 10 Home Edition. Every time I start up I get the error message c:\windows\system32\PCLE Colnst.dll can not be found. What is it and how do I stop it?