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אז אחרי גיבוי רג'יסטרי את זה:
To resolve this problem, re-initialize the cache of offline files. To do this, follow these steps:
Click Start, type regedit in the Start Search box, and then press ENTER.
If you are prompted for an administrator password or for a confirmation, type the password, or click Continue.
Locate the following registry subkey, and then right-click it:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\CSC
Point to New, and then click Key.
Type Parameters in the box.
Right-click Parameters, point to New, and then click DWORD (32-bit)Value.
Type FormatDatabase, and then press ENTER.
Right-click FormatDatabase, and then click Modify.
In the Value data box, type 1, and then click OK.
Exit Registry Editor, and then restart the computer.