Troubleshooting tips:
Internet Explorer:
Reset IE settings
Start IE without add-ons (“C:\Program Files\Internet Explorer\iexplore.exe” -extoff)
Disable add-ons
Disable ‘Enable third party browser extensions’
Disable Proteced Mode
Disable IE Enhanced Security Configuration (IE ESC)
Disable ‘Use software rendering instead of GPU rendering’ (Internet Options / Advanced)
Windows:
Disable User Account Control (UAC)
sfc /scannow (Repair Windows System Files)
DISM.exe /Online /Cleanup-image /Scanhealth (Scan or repair a Windows image; /ScanHealth /CheckHealth /RestoreHealth)
Citrix:
In Citrix environments disable Citrix Application Programming Interface (API) hook on iexplore.exe
Key: HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\CtxHook
Value Name: ExcludedImageNames
Type: REG_SZ
Value: iexplore.exe
For Windows 64-bit version
Keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\CtxHook
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\CtxHook
Value Name: ExcludedImageNames
Type: REG_SZ
Value: iexplore.exe
https://support.citrix.com/article/CTX107825