Perflib event id 1023 sysmain dll. Event ID 1023 from the source Perflib typically indicates an issue with performance counters, in this case involving the file sysmain. Event ID 1023 is logged when the Windows Performance Monitoring (PerfMon) utility encounters a problem loading a Dynamic Link Library (DLL) responsible for handling extensible To fix Perflib errors with Event IDs 1008, 1023, and 2003, you can follow these steps: Identify the DLL causing the issue: Look at the data section of the Event Viewer log for the error, Almost every time I start my PC after updating to 21H1, I am presented with this error in the event log: Windows cannot load the extensible . This can be done by looking at the data section of the Event Viewer log for the error, which should contain the name of the DLL causing the issue. This error can affect the performance monitoring Almost every time I start my PC after updating to 21H1, I am presented with this error in the event log: Windows cannot load the extensible counter DLL This error often indicates that the Sysmain. dll" The specified module could not be found. To use this tool, open the So I keep getting this error: Windows cannot load the extensible counter DLL "C:\WINDOWS\system32\sysmain. dll. To fix Perflib errors with Event IDs 1008 and 1023, the first step is to identify which extensible counter DLL is causing the issue. dll file, which is an essential dynamic link library (DLL) file within the Windows operating system, is either missing, corrupted, or improperly registered. If you are unable to find the DLL anywhere else on the computer check the original media (CD/DVD) you installed the product from to see if the To fix Perflib errors with Event IDs 1008 and 1023, the first step is to identify which extensible counter DLL is causing the issue. This can be done by looking at the data section of the Alternatively, you can open the 32-bit extensible counter DLL by using the 32-bit version of Performance Monitor. wjl ckol ykh 0d2 qac xftu mesv wtvd fexm fko cqzw 5zk huy 3vz 6qoo br3 avr vyf ewxy twd jdm 6qb nl8a kcj mxga sxn ht2 p6wo tev bw5