Spike

If you try to login with Google Music Manager installed on a virtual machine, you get the following error

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Login failed: Could not identify your computer

It checks your NIC MAC address, so all you have to do is to change it to something that belongs to a real vendor.
For example, if you MAC address is

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e0:cb:xx:xx:25:0b

Simply change the last character/number to something else:

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e0:cb:xx:xx:25:0c

Enjoy

If you want to increase the color depth in the Windows Virtual PC called “Windows XP Mode” (like I’m running inside my Windows 7 Professional):

1. In the Windows XP operating system (remote system), click on Start menu, then Run.
2. Type GPEdit.msc to open Group Policy Editor.
3. Navigate to Local Computer Policy -> Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services.
4. In the right pane, double-click on the Limit Maximum Color Depth setting.
5. In the Properties dialog, select radio button of Enabled, and then set Color Depth value to 24 bit or Client Compatible
6. Click OK when done.
7. Restart the Virtual PC.

Enjoy

SOURCE:
How To Increase Color Depth and Quality of Windows XP Accessed Via Remote Desktop or Terminal Services

If after you have installed Microsoft Office 2010 Professional Plus on Microsoft Windows 7 64-bit, .xls and .xlsx are not associated anymore with Microsoft Excel, open regedit, go to
HKEY_CLASSES_ROOT
and delete both .xls and .xlsx folders. Then close the regedit. Now if select files with these extensions and you select Open with… you can now find Microsoft Excel.

Thanks to Waldo Nell’s voice for the solution.

SOURCE: Office 2010 Professional Plus on Win 7 breaks Excel file associations

This How-To explains how to install nvidia drivers 179.48 beta on a notebook Sony VGN-FE31M equipped with a nVidia GeForce Go 7600.
First of all download the official drivers from the official website.
Try to install them till you get the error. The installer has created a directory containing the drivers inside your C:, if you haven’t changed it during the installation process.
Now we have to take the hardware ID of our VGA.
Go to Start – right clic on Computer - Properties - Hardware tab – Device manager – Display adapters – double clic on your VGA card – Details tab – select Device Instance ID
write down this code. Mine is

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PCI\VEN_10DE&DEV_0398&SUBSYS_81EF104D&REV_A1\4&31B7BFB9&0&0008

Now open the following file

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C:\NVIDIA\WinXP\179.48\IS\Display\NVAM.ini

the directory may differ depending on your OS. Under the

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[NVIDIA.Mfg

section, put the following line

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%NVIDIA_G73M.DEV_0398.1%  = nv4_A6JC,   PCI\VEN_10DE&DEV_0398&SUBSYS_81EF104D

and under the

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; Localizable Strings

section, put

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NVIDIA_G73M.DEV_0398.1  =  "NVIDIA GeForce Go 7600 (Sony VAIO VGN-FE31M)"

Now you can run

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C:\NVIDIA\WinXP\179.48\IS\setup.exe

ENJOY

SOURCE: HOW TO: Modify and install Nvidia drivers for mobile graphics chipsets in Windows 7 when all else fails

In Windows 7, se tentate di scrivere un file in C:, ottenete il seguente errore:
 

per ovviare dovrete disabilitare l’UAC (User Access Control)

Pannello di controllo – Account utente e protezione per la famiglia – Account utente – Attiva o disattiva Controllo account utente

FONTE:
Windows Client TechCenter Forum – error code 0×80070522