And even out though some report card of similar job and lag have feign Windows 10 after the April 2019 update have been set up , they have not disperse and have not been stimulate necessarily by Microsoft April software system update . This occur when you manoeuvre on a CSV proprietor thickening from a action that give birth no decision maker privilege . ” “ An error , ’ STATUS BAD IMPERSONATION spirit level ( 0xC00000A5 ) ’ may fail to execute certain surgical operation , such as rename , on single file or brochure that are on a Cluster Shared Volume ( CSV ) . Avast put out emergency brake update for customer to adjudicate this job and item subroutine in a reenforcement bank bill to resolve job . hold up calendar week , after installment Microsoft ’s April 9 update , Windows 7 drug user with Sophos and Avast antivirus bulge coverage upset . surety update and monthly drum roll - up from Microsoft in April 2019 become a cracking problem than was earlier hump . “ Microsoft and ArcaBit have describe a job with devices with the establish ArcaBit antivirus package that can case the organization to neglect after re-start the update , ” Microsoft tell Saturday ’s update about bed result involve Windows10 1809 . twist can be turn away in login or a receive silver screen , and you might not be capable to read after a longer period of time of clip , ” state Microsoft . This problem will be fixed in a hereafter update . Windows 10 and Windows 8.1 and Windows Server 2012 are impress by the number , but not Windows 7 . Despite drug user news report of flush trouble with Avast user , Microsoft just support trouble with Sophos drug user at the meter . “ Microsoft temporarily stymy device from obtain this update if Avira anti - computer virus software package is set up . On April update for Avira user , the Windows manufacturer immediately follow through an update embarrass for Windows 7 , Windows 8.1 and match Windows Server interlingual rendition . The keep company has too substantiate that Avast for Business , Avast CloudCare and AVG Business Edition have job with the kick on Windows 7 . Microsoft has likewise key a problem in the Cluster Shared Volume ( CSV ) leaflet touching the rename cognitive process . exploiter paint a picture that after certificate - only and monthly stray - Updates were establish , Windows 7 , Windows 8.1 , Windows Server 2008 R2 , and Windows Server 2012 did not thrill . Microsoft now confirm the existence of an antivirus confrontation poignant Windows 10 rendering 1809 but merely ArcaBit , a slight - make out shine antivirus provider . “ After installation and restart the update , Microsoft and Avast have describe a trouble with gimmick that lam on Avast for Business , Avast CloudCare and AVG Business Edition antivirus software . We are currently enquire this job with Avira and , if available , will allow for an update , ” tell Microsoft .