How to: Fix the Requested Resource Is in Use - ITechBrand.com
When your computer is infected with the SmartService Trojan, the error message Requested resource is in use may display.
Be careful to delete any harmful software from your computer before removing it.
Start your computer in Safe Mode and run a complete malware scan with a dedicated malware removal program.
Preventing infection may be the best option. As a result, stay away from freeware sites and scan any external devices for malware.