Update Manager Errors - Unable to allocate Memory

hello all,

since i upgraded to VCenter 4.1.0  491557

i see in the logs:

[2012-02-29 14:12:11.258 05104 warning 'App'] UTF8ToUTF16: Invalid UTF-8 sequence during conversion.
[2012-02-29 14:12:11.259 05104 warning 'App'] UTF8ToUTF16: Invalid UTF-8 sequence during conversion.
[2012-02-29 14:14:20.076 00192 error 'App'] Unable to allocate memory: 102400 bytes
[2012-02-29 14:14:20.098 00192 error 'App'] CoreDump: Unable to load dbghelp.dll
[2012-02-29 14:14:20.098 00192 error 'App'] error 8 : Not enough storage is available to process this command.
[2012-02-29 14:14:20.098 00192 panic 'App']

Panic: Unable to allocate memory
Backtrace:

[2012-02-29 14:14:20.098 00192 panic 'App'] Unable to allocate memory

i have VM Patch Baselines and Windows Patch Baselines.

I can post additonal infos ans logs if you want.