Tag Archives: Event

Windows programming tips

A custom EVENT object for lighting fast thread synchronization

Several weeks ago, while I was working on the next version of Horodruin, I was optimizing the multithreaded file copy engine. This optimization phase pops up an unexpected event on the standard event object processing.  It seems that frequent uses of SetEvent() API are not exactly processing-resources free. This is probably caused by some code overhead needed for a system object… During these evaluations, I … Continue reading A custom EVENT object for lighting fast thread synchronization »

tech pit

HOWTO fix Event 455 ESENT

Into my new Windows 10 1903, I noticed several instances of the following error: Event 455, ESENT with the following description: svchost (3124,R,98) TILEREPOSITORYS-1-5-18: Error -1023 (0xfffffc01) occurred while opening logfile C:\WINDOWS\system32\config\systemprofile\AppData\Local\TileDataLayer\Database\EDB.log. The solution The problem here seems to be that a couple of folders are missing int this path. To fix them, you have to: open Explorer go to: C:\Windows\System32\config\systemprofile\AppData\Local create ‘TileDataLayer‘ folder (if … Continue reading HOWTO fix Event 455 ESENT »

tech pit

HOWTO fix events 10016 related to WSC stuff

Introduction Almost 2 years ago, I wrote a post about how to fix events 10016, but with the latest Windows 10 versions, a new case popped up. Three events 10016 continue to pop up similar to the following: The application-specific permission settings do not grant Local Launch permission for the COM Server application with CLSID Windows.SecurityCenter.SecurityAppBroker and APPID Unavailable to the user NT AUTHORITY\SYSTEM SID … Continue reading HOWTO fix events 10016 related to WSC stuff »