Hello,
Sorry for the delay.
- Please relaunch AdwCleaner,
 - Click on Tools > Options,
 - Here, tick "Debug" in the "Mode" section,
 - Then, do a scan.
 
When the results are shown, unselect the file "C:\WINDOWS\SysNative\drivers\ucguard.sys" and then click on the [Clean] button.
Please share the generated logfile shown at the reboot (also located at C:\AdwCleaner\AdwCleaner[Cxx].txt.
Best regards,