On my Ubuntu machine suddenly Firefox crashes during startup.

Hi Guys, Firefox crashes during startup, also after reinstallation: See also attached debug trace report. AdapterDeviceID: 0x0126 AdapterDriverVendor: mesa/i965 AdapterDriverVersion: 20.2.6.0 AdapterVendorID: 0x8086 AvailablePageFile: 0 AvailablePhysicalMemory: 1909657600 AvailableSwapMemory: 1341628416 AvailableVirtualMemory: 2730065920 BuildID: 20210222142601 CrashTime: 1614854965 DesktopEnvironment: gnome EMCheckCompatibility: true FramePoisonBase: 9223372036600930304 FramePoisonSize: 4096 InstallTime: 1614630401 IsWayland: 0 IsWaylandDRM: 0 MozCrashReason: OOB Notes: Ubuntu 20.04.2 LTSFP(D00-L1000-W00000000-T000) WR? WR- OMTP? OMTP- ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384} ProductName: Firefox ReleaseChannel: release SafeMode: 1 SecondsSinceLastCrash: 47923 StartupCrash: 1 StartupTime: 1614854964 ThreadIdNameMapping: 15159:"IPC I/O Parent",15160:"Timer",15161:"Netlink Monitor",15162:"Socket Thread",15163:"Permission",15166:"JS Watchdog",15167:"JS Helper",15168:"JS Helper",15169:"JS Helper",15170:"JS Helper",15172:"Cache2 I/O",15173:"Cookie",15174:"StreamTrans #1",15175:"DOM Worker",15176:"IPDL Background",15177:"StreamTrans #2",15178:"QuotaManager IO",15179:"IndexedDB #1",15180:"Worker Launcher",15181:"SoftwareVsyncThread",15182:"Compositor", Throttleable: 1 TotalPageFile: 6182121472 TotalPhysicalMemory: 4034641920 UptimeTS: 1.37918001 Vendor: Mozilla Version: 86.0 This report also contains technical information about the state of the application when it crashed. Thanks in anticipation Andries