Delphi Tokyo binary BPLs not finding “@System@Net@Httpclient@Win@TCertificateStore@$bcctr$qqrv” means you likely have Delphi 10.2.2 installed
Posted by jpluimers on 2021/07/13
If you get errors loading BPLs that indicate this method cannot be found: “@System@Net@Httpclient@Win@TCertificateStore@$bcctr$qqrv” then it is likely you run Delphi 10.2.2.
Upgrade to Delphi 10.2.3 to resolve this problem.
This happens for instance with binary versions of these below libraries.
They cannot help, as Embarcadero removed the TCertificateStore class (present in Delphi 10.1.2) in 10.2.0, then re-added it in 10.2.3.
Libraries that I bumped into that were affected:
- [WayBack] HTML Component Library for Delphi – Home
- [WayBack] TeeChart.2017.22 is not compatible with the RAD 10.2.2 – Steema Central (note that TeeChart v2017.23 is compatible with Delphi 10.2.2 Tokyo:[WayBack] TeeChart.2017.22 is not compatible with the RAD 10.2.2 – Page 2 – Steema Central)
Note that some reports talk about “@System@Net@Httpclient@Win@TCertificateStore@$bcdtr$qqrv” in stead of “@System@Net@Httpclient@Win@TCertificateStore@$bcctr$qqrv“. I am not sure what causes this discrepancy yet.
–jeroen
The Wiert Corner - irregular stream of stuff 
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