Untrusted system file (C:\Windows\System32\cryptbase.dll)

[radychen]

Unable to launch some steam games. keep getting this error pop-up everytime i try to launch the game. i also try to replace the file with a new one but it show me another untrusted dll files. now my pc got mess up with errors because of the changes in the sytem file. how can i fix this. any help would be appreciated. thanks

[ReBoot]

Reinstall. If your system DLLs are corrupted, its time to reinstall. First and foremost, to repair the DLLs. But also to remove the malware that corrupted them.