> For the complete documentation index, see [llms.txt](https://docs.devolutions.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devolutions.net/rdm/da/knowledge-base/troubleshooting-articles/access-violation-exception-error-in-rdp-sessions.md).

# Fejl med access violation-undtagelse i RDP-sessioner

Ret fejlen System.AccessViolationException i RDP-sessioner ved at deaktivere API-hooking i indstillingerne for Remote Desktop Manager.

Når De forsøger at åbne en RDP-sessionspost, kan De støde på fejlmeddelelsen "An unexpected error has occurred. Please check the application logs for more information." Når De kontrollerer programloggene, vises følgende fejl: System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

### Løsning

Deaktiver RDP API-hooking i indstillingerne for Remote Desktop Manager:

1. Gå til ***Fil – Indstillinger – Typer – Fjernskrivebord – API-hooking***.
2. På rullelisten ***Aktivér API-hooking*** skal De vælge ***Deaktiveret***.
3. Genstart Remote Desktop Manager for at anvende ændringerne.


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