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Blank window after start up - not linked to sse42 #1602

@Bilb

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@Bilb

Same issue here.

Not sure it's related, but I just migrated from Ubuntu 24.04 to 25.10 (same machine, same AppImage and same session profile).
Session worked a few times but after recieving a random picture as attachment it crashed witih solid background window. Same errors in the log:

{"level":50,"time":"2025-09-18T20:14:09.563Z","msg":"Error sending from webFrameMain:  {}"}
{"level":50,"time":"2025-09-18T20:14:14.569Z","msg":"Error sending from webFrameMain:  {}"}
{"level":50,"time":"2025-09-18T20:14:18.136Z","msg":"Error sending from webFrameMain:  {}"}
{"level":50,"time":"2025-09-18T20:14:19.574Z","msg":"Error sending from webFrameMain:  {}"}

I tried versions from 1.16.6->1.16.8.
After wiping local profile it works for some time and then starts to blank the screen a few seconds after start-up.

P.S.
My CPU does support sse4_2 and I never had issues with attachments in the past.

Intel(R) Core(TM) i5-6200U CPU @ 2.30GHz
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb pti ssbd ibrs ibpb stibp tpr_shadow flexpriority ept vpid ept_ad fsgsbase tsc_adjust sgx bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp vnmi md_clear flush_l1d arch_capabilities

Originally posted by @eugenesan in #1586

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